Test Tools
Check your hardware, peripherals, and browser configurations instantly.
Keyboard Tester
Press any key on your keyboard to test if it's registering correctly.
Mouse Tester
Move your mouse and click (Left, Middle, Right) inside the box to test it.
Webcam Tester
Check if your webcam is working properly directly in your browser.
Microphone Tester
Check if your microphone is working and test input levels.
Screen Tester
Find out your exact screen resolution, viewport size, and device pixel ratio.
Typing Speed Test
Test your WPM (Words Per Minute) typing speed.
Reaction Time Test
Measure your reaction time in milliseconds.
CPS Test
Test how many times you can click per second.
Dead Pixel Test
Cycle through solid colors fullscreen to find dead pixels on your monitor.
Touch Screen Test
Draw anywhere to test if your phone or tablet touch screen is working.
Free Online Test Tools
Explore our collection of free, secure, and fast test tools. billu.fun prioritizes your privacy by processing everything directly in your web browser.
Frequently Asked Questions
Are these tools really free?
Yes, completely free with no hidden paywalls.
Is my data safe?
Yes, all processing happens locally in your browser.