Free online tools to test your computer hardware. No downloads, no registration. Works on any device with a web browser.
Start testing your hardware now
Test your monitor for dead pixels, stuck pixels, and screen uniformity with our professional color testing tool.
Test every key on your keyboard to ensure all keys are working properly. Perfect for checking new or used keyboards.
Test left/right clicks and scroll wheel directions with instant visual feedback and scoring.
Test your speakers, headphones, and microphone. Check left/right channels, frequency response, and audio quality.
More tools are on the way
Test your webcam or camera. Check resolution, frame rate, color accuracy, and focus quality.
Built with professional testers in mind. Same tools used by tech reviewers and repair shops.
All tests run locally in your browser. No data is sent to our servers. Your privacy is guaranteed.
Regular updates with new features and improvements based on user feedback and latest standards.