FPS Counter
FPS counter is designed to calculate the overall amount of frames shown every second. It is also meant to exhibit actual time 30fps against 60fps, 120hz against 144hz vs 240hz, PWM test.
Hardware test
UFO Test: Multiple Framerates
Blur Busters UFO Motion Tests with ghosting test, 30fps vs 60fps vs 120hz vs 144hz vs 240hz, PWM test, motion blur test, judder test, benchmarks, and more.
Keyboard Checker
Test all keys on your keyboard with this easy-to-use website. Works with any keyboard and any browser. Simply press any key to test it.
Key-Test
Check the keyboard in the browser
Webcam Test
Test your webcam online to check if it is working properly and find out useful information about it