Frequently Asked Questions
Everything you need to know about TestKit and our hardware testing tools.
Q1Is TestKit completely free?
Yes, TestKit is 100% free to use. All testing tools are browser-based and require no payment, subscription, or account.
Q2Do I need to download anything?
No downloads required. All tools run directly in your browser using standard Web APIs. Just open the page and start testing.
Q3Does TestKit work on Mac and Linux?
Yes! TestKit works on any operating system with a modern browser including Windows, macOS, and Linux.
Q4Is my data private?
Absolutely. All tests run locally in your browser. No test data, audio, video, or input is sent to our servers.
Q5Why does the microphone/webcam test need permission?
Browser security requires explicit permission to access your microphone and camera. We only use these for the test and never record or transmit data.
Q6How accurate is the CPS test?
The CPS test uses high-resolution browser timers (performance.now()) for accurate click counting. Results may vary slightly between browsers.
Q7Why can't I test my mouse polling rate above 1000Hz?
Browser-based polling rate tests are limited by the browser's mousemove event frequency, which caps around 1000Hz. For 2000Hz+ testing, use our desktop app (coming soon).
Q8What browsers are supported?
TestKit works best on Chrome, Firefox, Edge, and Safari. Some features like WebGPU require Chrome 113+ or Edge 113+.
Q9How do I test my mouse buttons?
Go to the Mouse Test page and click inside the test area. All buttons including left, right, middle, and side buttons are detected.
Q10Can I use TestKit on mobile?
Yes! Most tools work on mobile browsers. The touchscreen test is specifically designed for mobile devices.