Online Keyboard Tester : Free Keyboard Checker
Our Free Online Keyboard Tester does exactly that test every key of the keyboard in shortest time but with most accuracy. Check the Spacebar, Enter, Shift, Ctrl, Alt, Caps lock, Num lock, Arrows keys, Function keys(F1-F12) and other keys to detect dead keys, faulty, key chatter, ghosting, stuck and unresponsive buttons. No installation is required – just use the tool directly in your Web browser and start testing. Can be used in Windows, Mac, Gaming, Computer/Laptop, Mechanical and Wireless keyboards.
Test every key with our Free Online Keyboard Tester. Detect dead, stuck, and unresponsive keys directly in your browser.
Keyboard Tester Online
Test mechanical keyboards, check key ghosting, and practice typing in 31 layouts.
How to Test a Keyboard Online
Key Testing
Test Keyboard by pressing key on keyboard and verifying that pressed key has a lit status on keyboard:
- Press a button to see the light comes on-if light comes on, the key is functioning properly.
- If highlighted in the list, then there are no problems, but if the button is not highlighted, this means there may be a problem with the serviceability of that key.
Advanced Keyboard Testing Features
Here are the one of one’s most critical features of the keyboard checker.
Light/Dark Mode
Customize interface appearance by enabling light or dark mode.
Full/Compact View
Toggle between full-size interface or compact view with 60% of the size.
Windows/Mac
Choose between Windows and Mac keyboard platforms instantly.
Restart Test
If you have clicked on the restart button the previous test result will be erased and you can test your keyboard again. Start a fresh keyboard test anytime.
Keyboard Languages
Packed with multiple languages to choose from at the top of the keyboard for a switch between English, Arabic, German, Urdu, Turkish, Korean and many other languages.
Sound Toggle And Profiles
Enable or disable keyboard sounds with a single click and choose from a few different profiles such as Bubble Pop, Typewriter clack, Tactile, Linear and Clicky sound
Keyboard Response Diagnostics
Detect Testing
Shows the number of key strokes for the current session. Display last key pressed and keycode.
Ghosting Test
Note the highest number of pressed keys or write down a bunch of keys that the kb will support being pressed at the same time.
Heatmap
Yellow Keys are Active Keys, Green keys are Passed keys, Red Keys are Dead Keys, Transparent are untested keys, the heatmap serve to display the key using activity.
What Is An Online Keyboard Tester Tool?
You could see an online keyboard typing test tool to find out if there is a problem with your keyboard as it tests each key including spacebar, Enter key, Backspace key, Function key, Arrow keys, Numeric key, Ctrl, Shift key, Alt key, window key, command key, escape key, Caps lock and Num lock. It automatically colours and highlights your typed words on the computer/laptop screen. Can be used to detect the existence of working keys, dead key, key chatter and unresponsive keys.It is useful for testing laptop, gaming, computers, mechanical and wireless keyboards directly in your web browser.
Benefits Of Using Keyboard Tester
- use it for free/Easy to use
- No installation requires
- Instant result
- Secure and safe testing
How To Fix Keyboard Problems
- Restart your computer
- Check your keyboard connection
- Install the latest keyboard drivers
- Replace broken keys
What to do if the keys are not working on the key tester?
If a key is still not working after testing, the first step is determining if it is mechanical or software problem.

Dirt/Dust
To remove dust or dirt( if keyboard is dirty) turn the keyboard upside down and gently tape it to remove dust or use compressed air to blow dust that is trapped under and between keys.

Stuck/Sticky keys
Liquid spills can prevent keys from being depressed on the keyboard. however if you are in a situation where you need to find a way to reset a personal keyboard, this may be possible by removing the keys and using wipe or paper towel to wipe away any liquid residue. It is challenging to take apart laptop kbs Typically, sticky keys point to internal damage and the best solution is to replace your keyboard.
FAQS:
If you are looking to diagnose keyboard problems, you can use an online keyboard testing utility that will immediately analyze keyboard problems in your browser. Click each of the keys on the virtual keyboard and see which light comes on for the individual keys. Quickly and easily identifies repeating and broken keys within seconds of an input delay.
Yes, Our free keyboard checker enables multiple key testing, making it possible to hit a couple of keys at once. This will let you know whether or not your keyboard supports N-Key Rollover (NKRO) and if there is ghosting problem, test my keyboard.
Yes, The Online Keyboard Tester works for both keyboard layouts windows and mac. The possibility to switch between the layouts for testing keys accurately (including function keys, modifier keys and media keys).
Absolutely, The tool can provide real time testing of all standard keys and special keys of keyboards. Just click on each key to make sure it works approppriately on the virtual keyboard.
It does not need to be installed. This tool is run within your browser and lets you test all the keys of the keyboard within a few seconds in a secure manner on any device compatible with the browser.
