Online Keyboard Tester
Test your keyboard keys instantly. Check for stuck keys, test N-key rollover, and verify all keys are working properly.
Guided Test Mode
Follow a step-by-step test to verify all keyboard functions are working properly.
Last Key Pressed
-
Keys Tested
0 / 104
Simultaneous
0
Scroll horizontally to see all keys
Total Presses
0
Max Simultaneous
0
Session Time
00:00
Remaining
104
Keys/Second
0.00
Avg Duration
N/A
Features
Real-time Detection
Instant visual feedback when you press any key on your keyboard.
N-Key Rollover Test
Test how many keys your keyboard can register simultaneously.
100% Private
All testing happens in your browser. No data is sent to any server.
Multiple Layouts
Support for ANSI and ISO keyboard layouts, Windows and Mac.
Sound Feedback
Optional sound effects for each key press.
Key History
View a log of all keys you've pressed during your testing session.
How It Works
Click anywhere on this page to focus, then press any key on your keyboard.
Keys will light up in green when pressed, showing they are working correctly.
Use the statistics panel to see how many keys you've tested and your N-key rollover capability.