Keyboard Function Checker Description

Purpose of the tool

This online tool provides a professional keyboard function testing service, through instant visual feedback to help users: - Detect the response status of single or multiple keys - Confirm the factory quality of newly purchased keyboards - Quickly locate malfunctioning keys on older keyboards - Verify the compatibility of keyboards with different operating systems.

How to use

Three steps to complete the test: 1. After visiting the web page, focus on the test area 2. Press the physical keys to be tested in turn 3. Observe the change of the colour of the on-screen virtual keyboard's highlights. Highlight the colour change of the virtual keyboard on the screen

Technical Features

- Instant feedback： Display status within 0.1 seconds of key press - Full key coverage Full key coverage： Supports main key area, function keys, numeric keypad - Cross-platform： Compatible with all major browsers (Chrome/Firefox/Edge) No installation required： Web version of the tool is ready to use

Notes

- Please disable the input method switching function before testing - Some system shortcuts may affect the test results - If the keys continue to be unresponsive, it is recommended to clean the keyboard contacts or contact the after-sales service.