Changelog

2026.7.2

We’ve just rolled out two new online calculators for everyone’s convenience: the Online Graphing Calculator and the Online Scientific Calculator. If you run into any issues while using them, or spot any bugs in either tool, feel free to reach out to us anytime. I’ll get those fixed as soon as possible.

2026.7.1

We have newly developed multiple online tools including the Macro Calculator, Running Pace Calculator, and Bra Size Calculator to deliver an optimal user experience for our users.

2026.6.24

Expanded profession categories in Browse by Role, added targeted internal links between all tool pages to optimize site navigation and internal SEO structure.

2026.6.22

We have newly developed and released three online tools—Mouse Click Test, Touch Screen Test, and Screen Refresh Rate Test—to help users easily and conveniently utilize them in their daily lives.

2026.6.17

Fixed the timestamp display rules for the website's sitemap.xml, changing the date shown for tool pages from the publication date to the last-updated date. Developed two new online calculator tools: Google Maps Distance Calculator, and Distance Formula Calculator.

2026.6.16

The Microsoft Edge browser extension Color Picker is now available, featuring five newly developed online tools: Volume of Triangular Prism, Volume of Drum, Volume of Cone, Volume of Sphere, and Calculation Volume of Cylinder. These tools help users quickly and easily calculate the volume of containers.

2026.6.15

I refactored the generation rules for the `/slug-generator` online tool to optimize the user experience, enabling real-time display of conversion results. Additionally, I developed and launched three new online tools—a Milliliters-to-Ounces Calculator, a Grams-to-Ounces Calculator, and a kg-to-lbs Calculator—all of which underwent rigorous testing to help users with unit conversions.

2026.6.13

I have created four new online tools—a Log Calculator, Mean Calculator, Standard Deviation Calculator, and Variance Calculator—to help users resolve their calculation challenges.

2026.6.12

Three new online calculation tools—a Molarity Calculator, a Slope Calculator, and a Square Root Calculator—have been created and are available for free to anyone who needs them.

2026.6.11

Updated the website's favicon to use an absolute URL and launched three new online tools: an ABV Calculator, a Pythagorean Theorem Calculator, and a Timecard Calculator.

2026.6.10

Three online calculator tools—Square Footage Calculator, Fraction Calculator, and Final Grade Predictor—have been newly created and released; they are original, lightweight, and fast.

2026.6.9

Three new online calculator tools have been created: the Final Grade Predictor, the One Rep Max Calculator, and the Gematria Calculator.

2026.6.8

Fixed display issues for certain single-page applications on mobile devices and launched three new online tools: the Sprinkler Precipitation Rate Calculator, the Scaffolding and Fall Clearance Calculator, and the Pallet CBM and Container Loading Calculator.

2026.6.7

Fixed mobile layout issues on some pages. Released the new online tool: Epoxy Resin Coating and Mixing Calculator.

2026.6.6

A dog-to-human age conversion chart has been added to the `/dog-age-in-human-years` page, and three new online tools have been released—the Conveyor Belt Motor Power & Tension Calculator, the Sheet Metal Bend Allowance & Deduction Calculator, and the Solar Wire Size Calculator—to assist engineering and construction personnel with calculations.

2026.6.5

A quick-copy feature has been added to the `/css-minifier` page; users can simply click the output result to copy it, enhancing usability. Additionally, three new online tools have been launched—the AI API Cost & Token Calculator, the Self-Employed Tax Calculator, and the Small Business Tax Credit Estimator—to meet the needs of various user groups.

2026.6.4

1. Fixed formatting errors in structured data on the https://heretool.com/ascii-converter page.

2. We have released three brand-new free online tools: Fence Material Calculator, Independent Contractor vs. Employee Classification Test, and FinCEN BOI Reporting Deadline Checker.

2026.6.3

1. Three new online tools have been launched: SaaS Valuation Calculator, Fiber Laser Cutting Speed Chart and Battery Backup Runtime Calculator, catering to the lightweight online tool demands across more industries.

2. Fixed an issue where the time and tool count were displayed incorrectly on the monthly aggregation tool page.

2026.6.2

We’ve launched five new free online calculators (Lead Conversion, CAC, Expansion Revenue, ARR, and MRR) to simplify your SaaS metrics and revenue analysis.

2026.6.1

Four new online tools have been launched: Concrete Calculator, Compound Interest Calculator, Calorie Calculator and Blue Light Exposure Calculator.

2026.5.31

We have optimized the display and functionality of several existing online tools, and newly launched three tools: Burnout Risk Assessment, WPM Typing Test and Deep Work Score Calculator.

2026.5.30

1. Optimized the display of tool lists (such as the list page) on mobile devices.

2. Improved the tool search functionality and fixed the issue where search results would open in a new window.

3. Added three new online tools: "HTTP Status Code Checker", "Morse Code Translator", and "What is my User Agent".

2026.5.29 Official Website Launch

Heretool minimalist online tool website is officially launched. We have released a variety of practical online tools initially, including text processing, format conversion, image editing, daily calculation and more categories.

The site features ultra-fast loading, no redundant ads, and no registration required. We will keep adding more free practical tools to provide efficient and convenient online services for global users. If you encounter any issues during use, please provide feedback via Google Form at: https://forms.gle/mRDogDzqeMPUKGAk8, and we will address them promptly.