KeyboardAnalyzerKeyboardAnalyzer

Professional Online Keyboard Mouse Tester

Free online keyboard and mouse testing tool supporting Windows and Mac layouts.
Real-time key detection without any software download.

Press keyboard keys or click mouse to start testing
左键
中键
右键
鼠标: 0/3
⌨️键盘: 0/122
🖱️鼠标: 0/3
🔧 Fn Key Detection Issues?

Keyboard Testing Guide

Press keyboard keys to start testing (please switch to English keyboard before testing)

A
- The key type you are currently pressing
A
- Appearance after key release - indicates it's working properly
Fn +
- Hold Fn key and volume key to test Fn key functionality (Fn key can only be tested in combination with other keys. Therefore, we chose the most commonly used volume key)

Important Notice

The website administrator is not responsible for all operations and actions performed by users. All your keyboard operations are at your own risk.

If unsure, please contact the service center.

Frequently Asked Questions

Keys on my keyboard don't work for me.

Check if this is a mechanical or software problem. You can use our online keyboard testing service.
(If the problem persists after keyboard testing, the fault is mechanical)

My keyboard has stuck keys.

The problem is solved by replacing the keyboard.

My keys are stuck.

You can check this using our online keyboard testing service.

I spilled liquid on the keyboard.

If you have a laptop: Turn off the power and remove the battery, then let the laptop dry. Then take it to a service center where they can clean the motherboard.
If it's a desktop computer: Dry and wipe the keyboard.

Keys became sticky after spilling liquid.

If you have a laptop: Replace the keyboard, this defect cannot be repaired (at least we've never heard of such a repair).
If you have a desktop computer: You can carefully remove the keys (instructions can always be found on YouTube), wipe with a damp cloth or degreasing solution, then be sure to dry it to avoid contact short circuits.

I disassembled the keyboard but can't remember which key goes where.

You can use our online keyboard test to check key signals.

Note: Laptop keyboards cannot be repaired. In 99.9% of cases, repairing desktop computer keyboards is not economically viable.