# Heretool - Free Online Tools Right Here

> Find handy free online tools on Heretool. Use practical web utilities instantly with no installation and no registration required. All tools run entirely in the user's browser (Vanilla JS, static HTML). No data ever leaves the local machine.

## Text & Writing

- [Binary To Text Converter](https://heretool.com/binary-to-text-converter) : Free online binary to text converter to decode binary numbers into readable plain text instantly. Translate 0s and 1s into normal text with ease.
- [Remove Empty Lines](https://heretool.com/remove-empty-lines) : Free online tool to remove empty lines and blank spaces from text instantly. Clean up lists and content by deleting unnecessary blank lines with one click.
- [Add Text To Beginning / End of Lines](https://heretool.com/add-text-to-beginning-end-of-lines) : Free online tool to add text to the start and end of every line instantly. Bulk prepend and append text to lists, lines, and content with one click.
- [Find Text and Replace](https://heretool.com/find-text-and-replace) : Free online find and replace text tool to instantly search words, replace multiple text strings, and edit content quickly with simple bulk processing.
- [Md5 Hash Generator](https://heretool.com/md5-hash-generator) : Free online MD5 hash generator to create secure MD5 hashes from text or strings. Generate encrypted MD5 checksums instantly with one click.
- [URL Encoder Decoder](https://heretool.com/url-encoder-decoder) : Free online URL encoder to encode URLs and special characters safely for web use. Instantly convert text to valid URL-encoded format with one click.
- [Reverse Text Generator](https://heretool.com/reverse-text-generator) : Free online reverse text generator to reverse text, flip words, create backward text & mirror text instantly. Simple, fast, and 100% free to use for all users.
- [Line Sorter](https://heretool.com/line-sorter) : Free online line sorter to sort text lines alphabetically, numerically, in reverse or random order. Organize lists quickly with easy one-click text sorting.
- [Text Cleaner](https://heretool.com/text-cleaner) : Free online text cleaner to remove extra spaces, line breaks, special characters & unwanted formatting. Clean, trim & optimize text instantly with one simple click.
- [Remove Duplicate Lines](https://heretool.com/remove-duplicate-lines) : Free online tool to remove duplicate lines from text instantly. Clean up lists, remove repeated entries, and deduplicate text content with one click - fast and easy to use.
- [Text Compare](https://heretool.com/text-compare) : Free online text compare tool to quickly find differences between two texts. Compare documents, check content changes, and spot duplicates instantly with our easy-to-use text comparator.
- [Case Converter](https://heretool.com/case-converter) : Free online text case converter for uppercase, lowercase, title case, sentence case and more. Fast simple private and 100% browser based free tool
- [Word Counter](https://heretool.com/word-counter) : Free online word counter instantly counts words characters sentences paragraphs. No installation no login paste text get results in 1 second

## Image & Media

- [Screen Spec Overlay](https://heretool.com/screen-spec-overlay) : Overlay your UI designs onto various mobile device frames to preview screen specifications and visual alignment in real-time.
- [Image Aspect Ratio Calculator](https://heretool.com/image-aspect-ratio-calculator) : Easily calculate image aspect ratios, find missing dimensions, or convert resolutions while maintaining perfect proportions for your designs.
- [Sprite Sheet Cutter](https://heretool.com/sprite-sheet-cutter) : Automatically detect and split complex sprite sheets into separate transparent PNG files with precision and ease.
- [Placeholder Image Generator](https://heretool.com/placeholder-image-generator) : Create custom placeholder images for your website mockups by specifying exact dimensions, colors, and personalized text.
- [Favicon Generator](https://heretool.com/favicon-generator) : Generate and download all required favicon sizes, including ICO and Apple Touch formats, for your website in one click.
- [SVG Path Minifier](https://heretool.com/svg-path-minifier) : Compress SVG path data instantly. Reduce file size by simplifying coordinates and removing metadata. 100% private and local browser-based optimization.
- [Image Dimension Checker](https://heretool.com/image-dimension-checker) : Free online image dimension checker to view image width, height, resolution, file size, and format instantly. No installation, 100% secure.
- [Bulk Rename Images](https://heretool.com/bulk-rename-images) : Free online bulk image renamer to rename multiple images at once. Customize prefix, sequence, and format, rename hundreds of images in one click, no installation.
- [Image Alt Text Generator](https://heretool.com/image-alt-text-generator) : Free online image alt text generator to create SEO-friendly alt tags for images. Improve accessibility, SEO ranking, and web performance instantly.
- [Ai Image Metadata Remover](https://heretool.com/ai-image-metadata-remover) : Free online tool to remove AI pixel metadata, erase generation traces, and make AI images undetectable. Secure, private, no installation required.
- [Color Picker From Image](https://heretool.com/color-picker-from-image) : Free online color picker from image. Extract HEX, RGB, HSL color codes instantly by clicking any pixel on your image. Supports all image formats, no installation required.
- [Exif Data Viewer](https://heretool.com/exif-data-viewer) : Free online Exif data viewer to read photo metadata instantly. View camera info, GPS location, date, resolution and more from JPG/PNG images, no installation required.
- [Resize Image Dimensions](https://heretool.com/resize-image-dimensions) : Free online tool to resize image dimensions without losing quality. Quickly adjust width/height of JPG, PNG, GIF images in seconds, no installation required.

## Converters

- [DataURL Fixer](https://heretool.com/dataurl-fixer) : Automatically detect and repair missing or corrupted DataURL headers to restore broken Base64 encoded images instantly.
- [Image to Base64 Converter](https://heretool.com/image-to-base64-converter) : Easily convert images to Base64 strings or decode Base64 data back into image files with this fast, secure online tool.
- [PST to EST](https://heretool.com/pst-to-est) : Instantly convert PST/PDT to EST/EDT time zones. Accurate US time zone conversion for meetings and schedules.
- [24 To 12 Hour Converter](https://heretool.com/24-to-12-hour-converter) : Easily convert 24-hour format time to 12-hour format instantly. Accurate, fast & free time format tool.
- [Decimal Time Converter](https://heretool.com/decimal-time-converter) : Easily convert hours, minutes & seconds to decimal time, and decimal values back to standard time for payroll & work logs.
- [GMT to EST/PST](https://heretool.com/gmt-to-estpst) : Instantly convert London GMT/BST time to US Eastern (EST), Central (CST), and Pacific (PST) time zones accurately.
- [Forex Time Zone Converter](https://heretool.com/forex-time-zone-converter) : Check global forex market hours (Sydney, Tokyo, London, New York) and convert session times to your local time instantly.
- [EST to CST Time](https://heretool.com/est-to-cst-time) : Easily convert between EST/EDT and CST/CDT time zones. Instant, accurate comparison for US schedules & meetings.
- [Time Zone Converter](https://heretool.com/time-zone-converter) : Online Time Zone Converter: Convert all global time zones accurately & quickly for free. No registration required.
- [Power Converter](https://heretool.com/power-converter) : Online Power Converter: Convert all power units accurately & quickly for free. No registration required.
- [Pressure Converter](https://heretool.com/pressure-converter) : Convert PSI to Bar/ATM/Pascal instantly. Accurate pressure unit conversion for engineering & HVAC.
- [Energy Converter](https://heretool.com/energy-converter) : Convert joules to watts/calories/kWh instantly. Accurate energy unit conversion for physics & engineering.
- [Angle Converter](https://heretool.com/angle-converter) : Free online tool to convert between degrees, radians, gradians & more. Instantly calculate angle units accurately for free.
- [Data Storage Converter](https://heretool.com/data-storage-converter) : Convert GB to MB/KB/TB/PB instantly. Accurate data unit conversion for storage devices & digital files.
- [MIME Type Checker](https://heretool.com/mime-type-checker) : Free MIME Type Checker - Detect correct MIME types (JPG, PDF, JSON), fix unsupported MIME errors, verify file authenticity online free.

## Dev & SEO

- [Touch Screen Test](https://heretool.com/touch-screen-test) : Works fully locally in your browser—this multi-touch diagnostic tool lets you draw freely to find dead zones, log active touch inputs, and test hardware tracking with zero lag at all times.
- [HTTP Status Code Checker](https://heretool.com/http-status-code-checker) : Check the HTTP status code and response headers of any URL instantly to debug redirects, server errors, or SEO issues.
- [What is my User Agent](https://heretool.com/what-is-my-user-agent) : Identify your current browser's User Agent string and system specifications with this fast, one-click detection tool.
- [CSS Glassmorphism Generator](https://heretool.com/css-glassmorphism-generator) : Use this interactive tool to design stunning glassmorphism effects and instantly copy the CSS code for your web projects.
- [ASCII to Hex Converter](https://heretool.com/ascii-to-hex-converter) : Convert ASCII characters to hexadecimal codes instantly with this free online tool. Encode text to hex for data processing and web use.
- [Binary to ASCII Converter](https://heretool.com/binary-to-ascii-converter) : Decode binary numbers into readable ASCII text instantly with this free online converter. Translate 0s and 1s to standard characters in one click.
- [Hex to ASCII Converter](https://heretool.com/hex-to-ascii-converter) : Convert hexadecimal values to readable ASCII text instantly with this free online tool. Fast and easy to use for all your hex-to-ASCII needs.
- [ASCII Converter](https://heretool.com/ascii-converter) : Free online ASCII converter to convert text to ASCII codes, and decode ASCII values, binary, or hex back to readable text instantly.
- [Hex To Text Converter](https://heretool.com/hex-to-text-converter) : Free online text to hex tool to encode plain text into hexadecimal format instantly. Convert regular text to hex codes for data usage.
- [Json Validator](https://heretool.com/json-validator) : Free online JSON validator to check JSON syntax, find errors, and verify JSON data validity. Instantly fix and validate JSON code with ease.
- [Json Formatter](https://heretool.com/json-formatter) : Free online JSON formatter to beautify, minify, validate and format JSON code instantly. Clean and organize JSON data with easy readability.
- [Sha-256 Hash Generator](https://heretool.com/sha-256-hash-generator) : Free online SHA-256 hash generator to create secure SHA256 hashes from text. Generate encrypted SHA256 checksums instantly with one click.
- [Html Encode](https://heretool.com/html-encode) : Free online HTML encoder to encode special characters to HTML entities. Convert reserved HTML symbols safely for web display with one click.
- [Base64 Encoder Decoder](https://heretool.com/base64-encoder-decoder) : Free online Base64 encoder decoder to encode text to Base64 and decode Base64 strings back to original text instantly. Safe, fast, and easy to use.
- [Discord Time Converter](https://heretool.com/discord-time-converter) : Create Discord timestamps easily from date & time. Generate auto-localized time codes for your server events & messages.
- [Unix Time Converter](https://heretool.com/unix-time-converter) : Free online tool to convert Unix timestamp (seconds/ms) to readable time for Linux/Unix systems. Supports UTC/local time conversion.
- [Js Minify](https://heretool.com/js-minify) : Compress code, remove comments, download .js files instantly. Fast tool to boost site speed.
- [Css Minifier](https://heretool.com/css-minifier) : Free online CSS Minifier to minify CSS code, reduce size and boost page speed for better SEO.
- [URL Slug Generator](https://heretool.com/slug-generator) : Free online URL Slug Generator to create SEO-friendly, clean, readable URL slugs for websites and blogs.
- [Minify Html](https://heretool.com/minify-html) : Online HTML Minifier - Compress HTML, remove spaces & comments, boost page speed and website performance.

## Math Calculators

- [Factor Calculator](https://heretool.com/factor-calculator) : 100% local, browser-based math engine. Find all divisors, prime factorizations, GCF, and polynomial roots instantly with zero lag and zero server calls.
- [Rent vs Buy Calculator](https://heretool.com/rent-vs-buy-calculator) : Use our free Rent vs. Buy Calculator to compare the total cost of renting versus buying a home. Factor in mortgages, property taxes, rent growth, and investment returns to make the smartest financial decision for your future.
- [Graphing Calculator Online](https://heretool.com/graphing-calculator) : Graphing functions online instantly with our free interactive graphing calculator. Plot multiple equations, find intersections, and analyze curves. 100% client-side and free.
- [Scientific Calculator Online](https://heretool.com/scientific-calculator) : An advanced scientific calculator online for free. Solve complex math formulas, algebra, trigonometry, and calculus functions instantly. 100% client-side, responsive, and private.
- [Macro Calculator](https://heretool.com/macro-calculator) : Calculate your optimal daily macro split and calorie intake instantly. Custom tailoring for weight loss, muscle gain, and keto diets. 100% client-side, interactive, and private.
- [Running Pace Calculator](https://heretool.com/running-pace-calculator) : Calculate your running pace, time, or distance instantly. Plan your marathon, half-marathon, or 5K split times. 100% client-side, ad-free, and optimized for runners.
- [Bra Size Calculator](https://heretool.com/bra-size-calculator) : Find your perfect bra size instantly with our accurate bra size calculator. Supports US, UK, and EU sizing standards. 100% client-side processing keeps your body measurements completely private.
- [Stone Calculator](https://heretool.com/stone-calculator) : Heavy-duty aggregate estimator for gravel, crushed rock, or river stone. Input dimensions to output exact cubic yards and total tons needed under a millisecond.
- [Stair Stringer Calculator](https://heretool.com/stair-stringer-calculator) : Heavy-duty stair layout tool. Enter total rise to map out exact tread, riser, and stringer board cuts with built-in IRC code safety alerts.
- [Google Maps Distance Calculator](https://heretool.com/google-maps-distance-calculator) : Figure out the exact driving or straight-line distance between any two places. Just type in the locations to nail your trip mileage in a split second.
- [Distance Formula Calculator](https://heretool.com/distance-formula-calculator) : Stop messin' around with negative numbers and square roots. Just punch in your X and Y coordinates to nail the exact distance instantly.
- [Volume of Triangular Prism Calculator](https://heretool.com/volume-triangular-prism-calculator) : Skip the formula headache. Just enter the triangle dimensions and prism length for an instant, precise volume.
- [Volume of Drum Calculator and Formula](https://heretool.com/volume-drum-calculator-formula) : Easily figure out how many gallons or liters are inside any barrel or 55-gallon drum. Just enter the dimensions to get the exact volume in a split second.
- [Volume of Cone Calculator](https://heretool.com/volume-of-cone-calculator) : Stop messing around with fractions and pi. Just punch in the height and radius (or diameter) to nail the exact volume of any cone or funnel.
- [Volume of Sphere Calculator](https://heretool.com/volume-of-sphere-calculator) : Figure out the exact volume of any ball or round tank in a split second. Put in the radius, diameter, or even circumference, and we’ll handle the math.
- [Calculation Volume of Cylinder](https://heretool.com/calculation-volume-of-cylinder) : Stop stressing over geometry homework or tank capacity. Just punch in the height and radius (or diameter) to nail the exact volume.
- [Milliliters to Ounces Calculator](https://heretool.com/milliliters-to-ounces-calculator) : Milliliters to Ounces Calculator provides instant, bi-directional volume conversion. Easily convert ml to fluid oz or fluid ounces to ml with quick presets for 30ml, 100ml, and 60 oz.
- [Grams to Ounces Calculator](https://heretool.com/grams-to-ounces-calculator) : Grams to Ounces Calculator provides instant, bi-directional weight conversion. Easily convert grams to ounces (g to oz) or ounces to grams, including common presets like 100g, 200g, and 250g.
- [kg to lbs Calculator](https://heretool.com/kg-to-lbs-calculator) : Input kilograms or pounds to instantly convert between them with exact decimal precision and quick common weight reference charts.
- [Area Calculator](https://heretool.com/area-calculator) : Input your dataset with commas, spaces, or lines to instantly calculate exact sample and population variance with step-by-step mathematical formulas.
- [Variance Calculator](https://heretool.com/variance-calculator) : Input your dataset with commas, spaces, or lines to instantly calculate exact sample and population variance with step-by-step mathematical formulas.
- [Standard Deviation Calculator](https://heretool.com/standard-deviation-calculator) : Stop squaring deviations by hand. Input your raw data with commas, spaces, or lines to instantly calculate exact sample and population standard deviation with step-by-step formula breakdowns.
- [Mean Calculator](https://heretool.com/mean-calculator) : Stop sorting data datasets by hand. Input your raw numbers with commas, spaces, or lines to instantly calculate the exact mean, median, mode, and range with clear step-by-step sorting guides.
- [Log Calculator](https://heretool.com/log-calculator) : Free online log calculator to solve logarithms with any base. Easily calculate log base 2, log base 10, and natural log (ln) with step-by-step solutions.
- [Molarity Calculator](https://heretool.com/molarity-calculator) : Stop struggling with molecular weight conversions. Input any three known variables to instantly solve for mass, solution volume, or molar concentration with exact metric unit adjustments.
- [Slope Calculator](https://heretool.com/slope-calculator) : Stop guessing linear equations and roofing angles. Input coordinate points, line intercepts, or rise and run dimensions to instantly calculate exact slope, line equations, and roof pitch.
- [Square Root Calculator](https://heretool.com/square-root-calculator) : Stop guessing radical values. Input any positive real number to instantly calculate its exact square root, identify perfect squares, and explore the classic step-by-step long division method.
- [Abv Calculator](https://heretool.com/abv-calculator) : Stop guessing your brew's strength. Input your original and final gravity, or mix your cocktail ingredients to instantly calculate the exact Alcohol by Volume (ABV) with advanced temperature correction.
- [Pythagorean Theorem Calculator](https://heretool.com/pythagorean-theorem-calculator) : Stop struggling with square roots. Input any two known sides of a right triangle to instantly calculate the missing length and angles with clear step-by-step formulas.
- [Timecard Calculator](https://heretool.com/timecard-calculator) : Stop calculating employee hours by hand. Input clock-in, clock-out, and lunch break times to instantly track regular hours, overtime, and total weekly payroll hours.
- [Square Footage Calculator](https://heretool.com/square-footage-calculator) : Need to find square footage? Use our free square footage calculator to get instant results, or learn how to calculate square footage of a room or house manually.
- [Fraction Calculator](https://heretool.com/fraction-calculator) : Instantly add, subtract, simplify, or convert mixed fractions and decimals into clean fractions with exact step-by-step solutions. Stop struggling with tape measures and math homework.
- [Final Grade Predictor](https://heretool.com/final-grade-predictor) : Free online grade calculator. Quickly calculate your current course grade, test averages, and final exam scores required using custom weights.
- [One Rep Max Calculator](https://heretool.com/one-rep-max-calculator) : Free online 1 rep max calculator. Estimate your 1RM, bench press, and squat max rep lifting capacity instantly using Epley and Brzycki formulas.
- [Gematria Calculator](https://heretool.com/gematria-calculator) : Use our free, simple online Gematria calculator to find the meaning of your birthday or names. Supports Hebrew, Greek, and Jewish Gematria decodings instantly.
- [Laser Cleaning Parameter and Efficiency Calculator](https://heretool.com/laser-cleaning-parameter-efficiency) : Calculate laser cleaning efficiency, area coverage, overlap rates, and energy density instantly. Optimize your laser surface preparation and rust removal parameters
- [Scaffolding and Fall Clearance Calculator](https://heretool.com/scaffolding-fall-clearance-calculator) : Input your lanyard length, decelerating distance, and worker height to instantly calculate the required safe fall clearance under OSHA standards before erecting scaffolding.
- [Pallet CBM and Container Loading Calculator](https://heretool.com/pallet-cbm-container-loading-calculator) : Input your pallet dimensions and select standard shipping containers to instantly calculate total CBM, weight distribution, and maximum loading capacity.
- [US Truck Bridge Formula Calculator](https://heretool.com/us-truck-bridge-formula-calculator) : Calculate the legal maximum gross weight for trucks on US highways using the Federal Bridge Formula B. Ensure DOT compliance by checking axle spacing and axle counts instantly.
- [Sprinkler Precipitation Rate Calculator](https://heretool.com/sprinkler-precipitation-rate) : Calculate the exact precipitation rate and spacing for your irrigation system. Support square and triangular sprinkler layouts to prevent overwatering and optimize uniform distribution.
- [Epoxy Resin Coating and Mixing Calculator](https://heretool.com/epoxy-resin-coating-and-mixing) : Calculate the exact amount of epoxy resin needed for your project. Estimate coverage volume for tables or floors, and get the precise A and B mixing ratio by weight or volume.
- [Conveyor Belt Motor Power & Tension Calculator](https://heretool.com/conveyor-belt-motor-power-tension) : Calculate the required motor power, driving tension, and peak tension for belt conveyors. Ensure accurate mechanical specifications for your material handling systems instantly.
- [Sheet Metal Bend Allowance & Deduction Calculator](https://heretool.com/sheet-metal-bend-allowance-deduction) : Calculate sheet metal bend allowance, bend deduction, and flat pattern length instantly. Supports custom K-Factor, material thickness, and bend angles for precision fabrication.
- [Solar Wire Size Calculator](https://heretool.com/solar-wire-size-calculator) : Calculate the correct wire size (AWG or mm²) for your solar panel system. Prevent excessive voltage drop based on system voltage, current, and cable run length.
- [AI API Cost & Token Calculator](https://heretool.com/ai-api-cost-token-calculator) : Estimate and compare API costs across OpenAI, Anthropic, and Google Gemini. Input your prompt text or token count to calculate input/output expenses instantly.
- [Fence Material Calculator](https://heretool.com/fence-material-calculator) : Calculate the exact amount of fencing materials required for your project. Instantly estimate the number of posts, rails, pickets, and gates needed based on your fence length.
- [Fiber Laser Cutting Speed Chart](https://heretool.com/fiber-laser-cutting-speed-chart) : Access the most accurate fiber laser cutting speed charts for various materials including Carbon Steel, Stainless Steel, and Aluminum across different power levels.
- [Battery Backup Runtime Calculator](https://heretool.com/battery-backup-runtime) : Calculate how long your battery backup or UPS will last based on load, battery capacity, and efficiency. Ensure your critical systems stay powered during outages.
- [Concrete Calculator](https://heretool.com/concrete-calculator) : Calculate the volume of concrete needed for your project in yards or bags. Ideal for slabs, pads, and blocks, with built-in cost estimation for accurate budgeting.
- [Calorie Calculator](https://heretool.com/calorie-calculator) : Calculate your daily calorie needs based on your TDEE and BMR. Get precise targets for weight loss, maintenance, or muscle gain using scientific formulas.
- [Blue Light Exposure Calculator](https://heretool.com/blue-light-exposure-calculator) : Estimate your daily blue light exposure from digital devices and understand its potential impact on your circadian rhythm and eye health.
- [Wall Paint & Wallpaper Estimator](https://heretool.com/wall-paint-wallpaper-estimator) : Easily estimate how much paint or how many wallpaper rolls you need for your project by entering your wall dimensions and deducting doors or windows.
- [Wedding Alcohol Calculator](https://heretool.com/wedding-alcohol-calculator) : Calculate the perfect amount of wine, beer, and spirits needed for your wedding reception based on your guest list and party duration.
- [Oven To Air Fryer Conversion](https://heretool.com/oven-to-air-fryer-conversion) : Instantly convert standard oven recipes for your air fryer with precise adjustments for temperature and cooking duration.
- [Random Number Generator](https://heretool.com/random-number-generator) : Spin the wheel to get random values from custom ranges: 1, 3, 4, 10, 100 and more for games, contests, decisions and daily use.
- [Julian Date Calculator](https://heretool.com/julian-date-calculator) : Convert calendar dates to Julian day numbers with our free online Julian Date Calculator. Get accurate results instantly for astronomy, programming, and more.
- [Conception Date Calculator](https://heretool.com/conception-date-calculator) : Helps you estimate when conception likely occurred, based on the first day of your last menstrual period (LMP)
- [Date Calculator](https://heretool.com/date-calculator) : Free online date calculator to find days between two dates, add or subtract days, and calculate date difference instantly.
- [IVF Due Date Calculator](https://heretool.com/ivf-due-date-calculator) : Accurate IVF due date calculator to find your baby’s expected birth date using your embryo transfer date and embryo age.
- [Due Date Calculator](https://heretool.com/due-date-calculator) : Free pregnancy due date calculator to estimate your baby’s birth date using your last menstrual period. Instant, accurate, and easy to use.
- [Percent Calculator](https://heretool.com/percentage-calculator) : Free online percent change calculator. Easily calculate percentage increase, decrease, difference, and percent error.
- [Tip Calculator](https://heretool.com/tip-calculator) : Free online tip calculator to quickly calculate tip percentage, tip amount and total bill for meals and services.
- [Age Calculator](https://heretool.com/age-calculator) : Free age calculator by birth date instantly computes exact age in years, months, days, weeks, hours and minutes. Get accurate birthday countdown easily

## Generators

- [llms.txt Generator](https://heretool.com/llmstxt-generator) : Create a standard /llms.txt file for your website instantly. Guide LLMs, AI agents, and search engines to crawl and understand your content perfectly. 100% client-side, secure, and free.
- [Free QR Code Generator](https://heretool.com/qr-code-generator) : Generate high-quality custom QR Codes instantly for URLs, text, Wi-Fi, and vCards. 100% client-side processing ensuring your data never leaves your browser. Fast, secure, and completely free.
- [Barcode Generator for Web Free Online](https://heretool.com/barcode-generator) : Create professional barcodes for free with our online generator. Fast, easy, and supports multiple formats like EAN, UPC, QR, and Code 128. No registration required.
- [Regex Generator](https://heretool.com/regex-generator) : Generate, test, and understand regular expressions instantly with our free online Regex Generator. Build complex regex patterns using natural language or simple visual controls. 100% client-side and privacy-friendly.
- [JWT Debugger & Signer](https://heretool.com/jwt-debugger-signer) : All processing runs locally inside your browser with this JWT tool. Quickly decode, tweak and sign tokens using HS256, RS256 or ES256. We never log data on servers, and there’s zero lag at every step.
- [Client-Side Large File PII Masker](https://heretool.com/client-side-large-file-pii-masker) : 100% client-side browser anonymizer for large files. Stream CSVs and logs to erase emails, IPs and phone data, with zero server uploads and no input latency.
- [Web Crypto Key and Pair Generator](https://heretool.com/web-crypto-key-pair-generator) : 100% client-side cryptographic key utility. Generate RSA-PSS, ECDSA, and Ed25519 pairs or AES symmetric keys with instant JWK export.
- [Morse Code Translator](https://heretool.com/morse-code-translator) : Translate text to Morse code or decode signals back to English instantly, with support for audio playback and light flash signals.
- [Mla Citation Generator](https://heretool.com/mla-citation-generator) : Create accurate citations in seconds with our free MLA source citation maker. Automatically format websites, books, and journals with zero disruptive ads.
- [MD5 Checksum Generator Windows](https://heretool.com/md5-checksum-generator) : Free MD5 checksum generator for Windows. Generate & verify MD5 hash values quickly and easily.
- [Serial Key Generator](https://heretool.com/serial-key-generator) : Free online serial key generator. Create secure, random license keys instantly for software use.
- [.htaccess Redirect Generator](https://heretool.com/htaccess-redirect-generator) : Free online .htaccess redirect generator. Create 301/302 redirects with ready-to-use code instantly.
- [Robots.txt Generator](https://heretool.com/robots-txt-generator) : Free online robots.txt generator. Create custom robots.txt files to control search engine crawling easily.
- [Lorem Ipsum Generator](https://heretool.com/lorem-ipsum-generator) : Free online lorem ipsum generator. Generate custom dummy placeholder text for design instantly.
- [CSS Gradient Generator](https://heretool.com/css-gradient-generator) : Free online CSS gradient generator. Create beautiful background gradients with ready-to-use code instantly.
- [Hex RGB Color Picker](https://heretool.com/hex-rgb-color-picker) : Free hex RGB color picker. Get instant hex, RGB color codes for design & web development.
- [Nickname Generator For Games](https://heretool.com/nickname-generator) : Free online nickname generator for games. Get unique, cool gamertags instantly for any game.
- [Random Name Generator](https://heretool.com/random-name-generator) : Free online random name generator. Create instant, unique random names for games, profiles & more.
- [Random UUID Generator](https://heretool.com/random-uuid-generator) : Free online random UUID generator. Create instant, unique, secure UUID v4 IDs with one click.
- [Password Strength Checker](https://heretool.com/password-strength-checker) : Free online password strength checker. Test & validate your password security instantly for maximum protection.
- [Random Password Generator](https://heretool.com/random-password-generator) : Free online random password generator. Create secure, strong passwords instantly for all your accounts - 100% safe & easy to use.

## Life & Daily

- [Dice Roller](https://heretool.com/dice-roller) : Roll virtual dice online instantly. Supports D4, D6, D8, D10, D12, D20, and custom dice counts. Perfect for tabletop RPGs, board games, and random decisions. 100% free and fast.
- [Mouse Click Test](https://heretool.com/mouse-click-test) : A fully local, browser-native CPS counter and double-click diagnostic tool. Evaluate mouse click response speed and precisely identify hardware chatter without any input latency.
- [Screen Refresh Rate Test](https://heretool.com/screen-refresh-rate-test) : 100% local, hardware-driven monitor Hz tester. Benchmark your display FPS and detect frame skipping in real time with zero lag and zero extension bloat.
- [WPM Typing Test](https://heretool.com/wpm-typing-test) : Test your typing speed and accuracy with our free online WPM tool. Get real-time feedback on your performance and improve your keyboard skills.
- [Burnout Risk Assessment](https://heretool.com/burnout-risk-assessment) : Evaluate your current workplace stress levels and identify early signs of professional burnout with this confidential self-assessment tool.
- [Dog Breed Compatibility Finder](https://heretool.com/dog-breed-compatibility) : Find your perfect canine match with our free Dog Breed Compatibility Finder. Quiz yourself based on your home space, budget, and lifestyle in seconds.
- [Apartment Move-In Inspection Checklist](https://heretool.com/apartment-move-in-inspection-checklist) : Protect your security deposit with this comprehensive apartment move-in inspection checklist designed to document every detail of your new rental.
- [Candle Burning Time Calculator](https://heretool.com/candle-burning-time-calculator) : Calculate the estimated total burn time of your candles based on wax type, weight, and wick size to ensure safety and quality.
- [Garden Sun Map Helper](https://heretool.com/garden-sun-map-helper) : Analyze sun exposure patterns in your backyard based on geographic location and season to optimize plant placement for sun or shade.
- [Cat Age in Human Years](https://heretool.com/cat-age-in-human-years) : Calculate your cat's equivalent human age based on scientific life stages, from kitten growth spurts to senior health milestones.
- [Dog Age in Human Years](https://heretool.com/dog-age-in-human-years) : Calculate your dog's age in human years using science-based formulas that account for specific breed sizes and life expectancies.
- [Color Blind Test](https://heretool.com/color-blind-test) : Take a quick and reliable online color blind test using professional Ishihara plates to check for red-green or total color vision deficiency.
- [Dead Pixel Checker (Screen Test)](https://heretool.com/dead-pixel-checker-screen-test) : The simplest way to find dead or stuck pixels on your monitor. Supports 4K, OLED, and mobile screens. 100% browser-based, no installation required.
- [Lined Sheets Of Paper Printable](https://heretool.com/lined-sheets-of-paper-printable) : Free customizable lined paper templates to create and print college ruled, wide ruled, and handwriting practice sheets instantly.

## Business & Marketing

- [Options Profit Calculator](https://heretool.com/options-profit-calculator) : Calculate and visualize your options trading profits and losses instantly. Interactive visual payoff matrix for Calls, Puts, Spreads, and advanced strategies. 100% client-side and free.
- [Self-Employed Tax Calculator](https://heretool.com/self-employed-tax-calculator) : Calculate your self-employment tax, federal income tax, and net take-home pay. Input your 1099 gross income and business expenses to estimate your quarterly tax payments instantly.
- [Small Business Tax Credit Estimator](https://heretool.com/small-business-tax-credit-estimator) : Estimate your eligible federal tax credits using our Small Business Tax Credit Estimator. Instantly check qualification for R&D, ERTC, and healthcare tax credits.
- [Independent Contractor vs. Employee Test](https://heretool.com/independent-contractor-vs-employee-test) : Determine if a worker is an independent contractor or an employee using our compliance test. Based on IRS and DOL guidelines to help you avoid misclassification penalties.
- [FinCEN BOI Reporting Deadline](https://heretool.com/fincen-boi-reporting-deadline) : Calculate your official FinCEN BOI reporting deadline based on your company's registration date. Avoid $500/day fines with our simple CTA compliance tracker for US entities.
- [SaaS Valuation Calculator](https://heretool.com/saas-valuation-calculator) : Estimate your SaaS company's market value based on ARR, growth rate, and churn. Get an instant valuation report using industry-standard revenue multiples.
- [Lead Conversion Calculator](https://heretool.com/lead-conversion-calculator) : Calculate your lead-to-customer conversion rate and identify gaps in your sales funnel. Optimize your marketing spend and improve sales team performance instantly.
- [CAC Calculator](https://heretool.com/cac-calculator) : Calculate your Customer Acquisition Cost (CAC) by factoring in ad spend, sales salaries, and overhead. Optimize your marketing efficiency to improve business profitability.
- [Expansion Revenue Calculator](https://heretool.com/expansion-revenue-calculator) : Calculate the revenue generated from existing customers through upsells and cross-sells. Track your expansion MRR to improve business health and net retention.
- [ARR Calculator](https://heretool.com/arr-calculator) : Calculate your Annual Recurring Revenue (ARR) based on MRR or subscription data. Project long-term growth and estimate your business valuation instantly.
- [MRR Calculator](https://heretool.com/mrr-calculator) : Calculate your Monthly Recurring Revenue (MRR) and track subscription growth. Understand your Net MRR, Churn impact, and expansion revenue instantly.
- [Compound Interest Calculator](https://heretool.com/compound-interest-calculator) : Estimate the future value of your investments with our compound interest calculator. Factor in monthly contributions and compounding frequency to reach your financial goals.
- [Deep Work Score Calculator](https://heretool.com/deep-work-score-calculator) : Calculate your Deep Work Score based on focus duration, distraction frequency, and task complexity to optimize your daily productivity.
- [Meeting Time Zone Planner](https://heretool.com/meeting-time-zone-planner) : Use our free Meeting Time Zone Planner to easily schedule meetings across multiple world time zones. Find the perfect overlapping meeting time instantly.
- [US Sales Tax Nexus Checker](https://heretool.com/us-sales-tax-nexus-checker) : Quickly check if your e-commerce business meets the economic nexus thresholds for US states to determine your sales tax collection obligations.
- [Social Security Break Even Calculator](https://heretool.com/social-security-break-even-calculator) : Free Social Security break even calculator to compare early vs delayed claiming. Calculate your break-even age for 62, 67, or 70 and maximize lifetime retirement benefits.
- [Sales Tax Calculator](https://heretool.com/sales-tax-calculator) : Free online sales tax calculator to compute tax rate, tax amount and final cost for daily purchases and local transactions.
- [Invoice Generator](https://heretool.com/invoice-generator) : Use this free online invoice generator to create, customize and download professional business invoices in minutes.
- [Business Name Generator](https://heretool.com/business-name-generator) : Get random, brandable ideas for your startup, Shopify store or small business, as an alternative to Namelix and Wix generators.
- [Utm Link Builder](https://heretool.com/utm-link-builder) : Free online UTM link builder to generate custom tracking URLs with UTM parameters for marketing campaigns and traffic analysis.
- [Vat Calculator](https://heretool.com/vat-calculator) : Free online VAT calculator to compute VAT percentage, tax amount and final price for business transactions.
- [Discount Calculator](https://heretool.com/discount-calculator) : Free online tool to calculate discount percentage, final sale price and total savings instantly.
- [ROI Calculator](https://heretool.com/roi-calculator) : Free online ROI calculator to measure return on investment accurately. Calculate profit, loss and investment percentage for business and financial planning in seconds.
- [Profit Margin Calculator](https://heretool.com/profit-margin-calculator) : Free online profit margin calculator to quickly compute gross margin, net margin, cost, revenue and profit percentage for business and sales.

## Optional

### Tool Categories

If you need to discover tools by department, use these category hubs:

- [Business & Marketing](https://heretool.com/business-tools) : Free business and marketing tools: invoice generator, link shortener, email verifier, UTM builder, and small business utilities.
- [Life & Daily](https://heretool.com/life-tools) : Useful daily life tools: time zone, stopwatch, timer, calendar, weather, notes, checklist, and simple online utilities for everyday use.
- [Generators](https://heretool.com/generators) : Free generator tools including password, QR code, barcode, fake info, logo, invoice, text-to-speech, and resume maker.
- [Calculators](https://heretool.com/calculators) : Free online calculators for math, scientific, percentage, date, age, loan, mortgage, health, and financial calculations.
- [Developer & SEO](https://heretool.com/developer-tools) : Free developer tools (JSON, Base64, URL encode) and SEO tools (meta tags, sitemap, robots.txt) for web developers and SEO professionals.
- [Converters](https://heretool.com/converters) : All-in-one free converter tools for unit, currency, PDF, video, audio, time, temperature, color, and file format conversion.
- [Image & Media](https://heretool.com/image-tools) : Fast and free online image tools to compress, resize, crop, convert, and remove backgrounds. Support PNG, JPG, WebP, SVG, and all popular formats.
- [Text & Writing](https://heretool.com/text-tools) : Free online text editing and writing tools including case converter, word counter, text editor, paraphraser, grammar checker, and PDF text tools.

### Toolsets by Profession

Tailor-made collections optimized for specific professional workflows:

- [Healthcare Worker](https://heretool.com/healthcare-worker) : Delivers essential clinical care and medical support, requiring high-performance, secure client-side tools to calculate medication dosage volumes, IV drip rates, patient fluid balance metrics, and private medical data formatting.
- [Content Writer](https://heretool.com/content-writer) : Creates high-quality written material for websites, blogs, and marketing campaigns, requiring fast, secure client-side tools for real-time word counting, keyword density analysis, text formatting, and privacy-friendly drafting.
- [Ophthalmologist](https://heretool.com/ophthalmologist) : Diagnoses and treats eye disorders, performing surgical and optical corrections that require precision client-side tools for optical matrix calculations, prism vectors, corneal surface areas, and secure patient metric scaling.
- [Woodworker](https://heretool.com/woodworker) : Crafts fine furniture, artistic carvings, and detailed wood structures, utilizing high-precision client-side calculators for timber volume logs, segment cutting angles, geometric layouts, and fractional-to-metric conversions.
- [Logistics Quotation Clerk](https://heretool.com/logistics-quotation-clerk) : Analyzes and calculates complex international shipping tariffs, utilizing real-time, secure client-side tools to evaluate dimensional cargo weights, multi-route CBM profiles, surcharges, and instant metric-to-imperial conversions.
- [Freight Forwarder](https://heretool.com/freight-forwarder) : Coordinates the secure and efficient transportation of global goods, utilizing high-performance, client-side tools to calculate cargo CBM, dimensional weight ratios, container spatial constraints, and international unit conversions.
- [Personal Trainer](https://heretool.com/personal-trainer) : Designs customized exercise and nutrition programs for clients, requiring secure, high-performance client-side calculators for BMR, TDEE, macro distribution, 1RM strength targets, and gym layout areas.
- [Game Developer](https://heretool.com/game-developer) : Designs, programs, and tests interactive digital games, requiring high-performance, secure client-side tools for 3D coordinate transformations, bounding box dimensions, matrix calculations, and real-time refresh rate diagnostics.
- [Winemaker](https://heretool.com/winemaker) : Manages the entire wine production process from vineyard harvesting layouts to fermentation and aging, utilizing rapid, secure client-side calculators for tank volumes, grape crushing ratios, plot areas, and sugar-to-alcohol metrics.
- [Chemical Technician](https://heretool.com/chemical-technician) : Conducts laboratory tests, monitors chemical processes, and analyzes data in research or manufacturing environments, requiring rapid, secure client-side calculators for solution dilutions, molecular weights, and unit conversions.
- [Carpenter](https://heretool.com/carpenter) : Constructs, installs, and repairs structures and fixtures made of wood and other materials, relying heavily on rapid layout calculations for cutting angles, board footage, surface areas, and linear dimensions.
- [Roofing Contractor](https://heretool.com/roofing-contractor) : Specializes in roof installation and repair, requiring rapid geometric calculations to determine slope pitches, triangular and trapezoidal surface areas, and exact roofing shingle bundles.
- [Water Management Engineer](https://heretool.com/water-management-engineer) : Designs and deploys agricultural water networks and drainage systems, requiring precise layout calculations for pipe volumetric flows, tank capacities, and field rainfall distribution areas.
- [Land Surveyor](https://heretool.com/land-surveyor) : Determines precise legal boundaries, topographic features, and earthwork dimensions, demanding zero-latency geometric coordinate scaling and land sector area calculations.
- [Landscape Architect](https://heretool.com/landscape-architect) : Designs urban gardens, parks, and outdoor structural environments, utilizing spatial calculators to model soil volume, green space distributions, and hardscape perimeter areas.
- [Farmer](https://heretool.com/farmer) : Oversees large-scale land operations and livestock feed storage, requiring prompt estimations for field crop acreage, water tank capacities, and grain silo volume distributions.
- [Construction Estimator](https://heretool.com/construction-estimator) : Calculates total material costs, labor requirements, and production sheets for construction projects, relying heavily on fast layout volume, surface area, and dimension profiling tools.
- [Indie Hacker](https://heretool.com/indie-hacker) : Rapidly builds and launches solo digital products, heavily depending on zero-dependency, fast client-side utilities to handle quick design mockups, asset scaling, and launch checklists.
- [Export Specialist](https://heretool.com/export-specialist) : Facilitates international commercial inquiries and manufacturing orders, utilizing currency converters, business email formatters, and professional invoice generation tools.
- [Software Tester](https://heretool.com/software-tester) : Responsible for evaluating software applications to identify bugs and ensure quality, requiring reliable cross-browser tools for device layout inspection, network validation, and screen testing.
- [Blogger](https://heretool.com/blogger) : Generates text/video entertainment streams, utilizing title casing tools, markdown conversion, and video frame metrics.
- [Consultant](https://heretool.com/consultant) : Deliver dynamic enterprise insights, utilizing diagnostic analytical sheets, presentation layout charts, and word counters.
- [Small Business Owner](https://heretool.com/small-business-owner) : Directs local boutique establishments, utilizing retail margin solvers, tax multipliers, and payroll helpers.
- [Entrepreneur](https://heretool.com/entrepreneur) : Directs high-level enterprise trajectories, utilizing runway calculators, business share multipliers, and ROI indicators.
- [Freelancer](https://heretool.com/freelancer) : Executes micro-contract operations, relying on hourly rate tools, invoice layout counters, and project tracking boards.
- [Event Planner](https://heretool.com/event-planner) : Manifests major social staging, utilizing budget balance spreadsheets, seat number randomizers, and day countdowns.
- [Travel Agent](https://heretool.com/travel-agent) : Bundles vacation pathways, needing itinerary date adders, multi-currency price boards, and time gap calculations.
- [Real Estate Agent](https://heretool.com/real-estate-agent) : Negotiates domestic housing sales, needing home mortgage payment calculators, interest utilities, and square footage converters.
- [Nutritionist](https://heretool.com/nutritionist) : Structures daily calorie plans, relying on BMI indices, BMR calorie metrics, and macronutrient calculators.
- [Health Data Analyst](https://heretool.com/health-data-analyst) : Trends regional medical metrics, needing percentage solvers, cluster spreadsheets, and graph tools.
- [Academic Researcher](https://heretool.com/academic-researcher) : Probes theoretical data samples, needing statistics math, citation structural tools, and text compare variants.
- [Student](https://heretool.com/student) : Submits assignments and studies, using GPA scoring utilities, bibliographers, and word count validators.
- [Teacher](https://heretool.com/teacher) : Composes lessons and assigns scores, using grade percentage calculators, randomized student pickers, and timer countdowns.
- [CAD Draftsman](https://heretool.com/cad-draftsman) : Traces blueprints and layouts, requiring scale dimension tools, pixel-to-mm conversions, and coordinate sheets.
- [Laser Cutting Technician](https://heretool.com/laser-cutting-technician) : Oversees precision lasers on metal, using speed-power matrices, thickness scale converters, and cutting time estimators.
- [CNC Programmer](https://heretool.com/cnc-programmer) : Inputs milling routines into machinery, using G-code checkers, spindle speed tools, and metric multipliers.
- [Industrial Engineer](https://heretool.com/industrial-engineer) : Optimizes production floor lines, utilizing takt time calculators, cycle metric tools, and lean layouts.
- [Civil Engineer](https://heretool.com/civil-engineer) : Maps structural sites, needing slope ratio helpers, unit conversion boards, and area mesh calculators.
- [Electrical Engineer](https://heretool.com/electrical-engineer) : Wire networks and boards, requiring Ohm’s law solvers, resistance calculations, and voltage drop metrics.
- [Mechanical Engineer](https://heretool.com/mechanical-engineer) : Simulates components and structures, requiring torque converters, tolerance stackers, and material unit charts.
- [Supply Chain Analyst](https://heretool.com/supply-chain-analyst) : Tracks complex product freighting, needing shipping day calculators, inventory metrics, and volume metrics.
- [Data Entry Clerk](https://heretool.com/data-entry-clerk) : Feeds textual data into tables, relying on bulk text splitting, character trim options, and row utilities.
- [Legal Assistant](https://heretool.com/legal-assistant) : Audits active case documents, relying on word limit trackers, contract difference checkers, and redaction helpers.
- [Administrative Assistant](https://heretool.com/administrative-assistant) : Arranges office schedules and paperwork, utilizing list clearers, text dynamic dates, and file dividers.
- [Sales Representative](https://heretool.com/sales-representative) : Closes strategic company sales pipelines, using discount calculators, commission matrixes, and contact formatters.
- [Business Analyst](https://heretool.com/business-analyst) : Evaluates operational processes, using chart tools, logical tree tools, and text categorization engines.
- [Operations Manager](https://heretool.com/operations-manager) : Maximizes daily structural outputs, relying on operational metrics, utility trackers, and throughput checkers.
- [Human Resources Specialist](https://heretool.com/human-resources-specialist) : Coordinates personnel and payrolls, needing salary counters, employee anniversary calendars, and list pickers.
- [Project Manager](https://heretool.com/project-manager) : Coordinates task lifecycles, using timeline generators, workday calculators, and burn-down analytics.
- [Accountant](https://heretool.com/accountant) : Processes books and taxes, using interest calculators, tax rate calculators, and precise decimal rounders.
- [Financial Analyst](https://heretool.com/financial-analyst) : Inspects company fiscal trajectories, using CAGR calculators, ROI matrices, and percent change utilities.
- [Brand Manager](https://heretool.com/brand-manager) : Defines brand visual identity, relying on brand asset validators, hex code palettes, and unified file converters.
- [Photographer](https://heretool.com/photographer) : Captures professional visuals, utilizing image dimension calculators, EXIF info utilities, and storage space gauges.
- [E-commerce Specialist](https://heretool.com/e-commerce-specialist) : Operates product storefronts globally, heavily utilizing profit calculators, SKU generators, and multi-currency converters.
- [Market Research Analyst](https://heretool.com/market-research-analyst) : Evaluates consumer trends, needing sample size calculators, numerical sequence lists, and sorting options.
- [Social Media Manager](https://heretool.com/social-media-manager) : Curates dynamic brand presences, requiring post text counters, image resizing assets, and multi-url builders.
- [Video Editor](https://heretool.com/video-editor) : Cuts and polishes video content, using frame rate charts, aspect ratio grids, and timecode calculators.
- [Graphic Designer](https://heretool.com/graphic-designer) : Visualizes concepts across print and web, requiring aspect ratio tools, color palette pickers, and file compressors.
- [Copywriter](https://heretool.com/copywriter) : Crafts compelling written content, relying on grammar validators, title case tools, and markdown editors.
- [Content Creator](https://heretool.com/content-creator) : Produces rich media content, needing video aspect ratio tools, visual converters, and character counters.
- [Digital Marketer](https://heretool.com/digital-marketer) : Drives online customer acquisition, utilizing URL builders (UTM), conversion rate calculators, and text analysis tools.
- [SEO Specialist](https://heretool.com/seo-specialist) : Maximizes organic search traffic, using metadata tools, sitemap validators, schema markup generators, and word counters.
- [IT Support Specialist](https://heretool.com/it-support-specialist) : Fixes hardware and network issues, relying on diagnostic calculators, string clearers, and basic network utilities.
- [Cybersecurity Analyst](https://heretool.com/cybersecurity-analyst) : Protects digital assets, heavily using encryption/decryption (MD5, AES), hash calculators, and encoder/decoders.
- [System Administrator](https://heretool.com/system-administrator) : Maintains server infrastructure and networks, utilizing password generators, network calculators, and log formatters.
- [DevOps Engineer](https://heretool.com/devops-engineer) : Automates deployment pipelines, needing YAML/JSON validators, IP subnetting, and cron expression generators.
- [Database Administrator](https://heretool.com/database-administrator) : Manages data storage and performance, using SQL formatters, connection tools, and data masking utilities.
- [Data Scientist](https://heretool.com/data-scientist) : Explores large datasets and trains algorithms, utilizing statistical calculators, matrix operations, and complex regex tools.
- [Data Analyst](https://heretool.com/data-analyst) : Processes and visualizes complex data, requiring quick CSV/JSON converters, regex solvers, and statisticians.
- [Product Manager](https://heretool.com/product-manager) : Coordinates product lifecycles, needing workflow visualizers, user story metrics, and data sorting tools.
- [UI/UX Designer](https://heretool.com/uiux-designer) : Creates user interfaces and digital experiences, relying on color pickers, design handoff assets, and CSS tools.
- [Mobile App Developer](https://heretool.com/mobile-app-developer) : Builds iOS and Android applications, frequently requiring asset resizing, code formatting, and device config tools.
- [Software Engineer](https://heretool.com/software-engineer) : Develops complex software systems, regularly using syntax formatters, conversion, and data processing tools.
- [Web Developer](https://heretool.com/web-developer) : Focuses on building and maintaining websites, demanding fast code optimization, formatting, and debugging utilities.