Free, open-source, privacy-friendly online tools for everyone.
No registration required, no data collected, 100% client-side.
At HereTool, we believe useful tools should be:
- Free & open-source: No hidden costs, no paywalls, forever free.
- Privacy-first: All processing happens in your browser. We never collect, store, or share your data.
- No sign-ups: Skip the forms, just open and use.
- Lightweight & fast: No bloated apps, no slow servers — just instant access.
- 🖥️ Dead Pixel Checker
Detect dead or stuck pixels on monitors, TVs, and mobile screens. Supports 4K, 8K, OLED, and more. - 🔴 Color Blind Test
A quick color vision screening test with real-time vision simulation for accessibility checks.
- ⚡ Fiber Laser Cutting Speed Chart
Interactive CNC fiber laser cutting speed and feed rate estimator for 1000W–30000W machines. Works with steel, stainless steel, aluminum, and brass. - 📄 404 Error Page Generator
Create fun, interactive 404 pages with black hole animation for your website.
- 👉 Official Site: heretool.com — Use all tools in one place.
- 📧 Contact: support@heretool.com
- 🐙 GitHub: github.com/heretool
Built for users, not advertisers. Your privacy stays yours.