Free Online Keyboard Tester & Mouse Test – Check Every Key, Ghosting and Mouse Buttons

Keyboard Tester & Mouse Test

Press every key to check that your keyboard works · Find dead, stuck or ghosting keys · Test mouse buttons and scroll wheel · 100% free

Keys tested

0 / 0

Last key

-

Code

-

KeyCode

-

Location

-

Held now / max

0 / 0

Show numeric keypad Mac key labels

Blue = pressed right now · Green = tested and working · Hold several keys together to test rollover / ghosting

Recent key presses

Press any key...

Other keys detected (media, Fn layer, international)

None yet

Mouse test

Click every mouse button, scroll and double-click inside this box

Note: the Fn key cannot be detected by any website, and some keys (Windows/Command, Print Screen, media keys) may be taken by your operating system before the browser sees them.

Everything runs in your browser. No key presses are recorded or sent anywhere.