Do I need to install drivers or software?
No. All tools run directly in your browser using standard web APIs. No downloads, extensions, or admin rights are required.
Collection
Hardware & Peripheral Testing
Verify your mouse, keyboard, gamepad, and monitor are performing as expected with free browser tools that test hardware locally without any drivers.
5 tools in this category
← HomeWhy this collection exists
Hardware problems are easy to overlook until they cost you in performance or productivity. This collection covers the TeaFun tools that help you test and verify your peripherals — no software installs, no admin rights, runs entirely in the browser.
Common use cases
- Confirm your mouse has no unwanted acceleration before competitive play.
- Test a new controller for stick drift or button mapping issues.
- Verify your monitor is actually running at its rated refresh rate.
Featured tools
Mouse Acceleration Detector
Find out if your OS mouse acceleration is active. Move slowly then quickly — we analyze your cursor's nonlinearity.
Mouse Sensitivity Converter
Convert your mouse sensitivity across 50+ games instantly. Enter your DPI and sensitivity to see your cm/360° and equivalent settings in every game.
Gamepad Tester
Test your controller inputs, check for stick drift, and set custom deadzones. Runs entirely in your browser.
Keyboard Heatmap
Track your most-used keys in real time, build a heatmap from actual typing, and export the result as a PNG.
Monitor Refresh Rate
Detect your monitor's refresh rate in your browser.
FAQ
Can these tools replace manufacturer software?
For quick diagnostics and verification they work well. For advanced configuration like custom DPI curves or RGB lighting you still need the manufacturer app.