Best use
Use it for a focused Keyboard Test Tool task when a quick browser workbench is appropriate.
Press a key after JavaScript loads to inspect keyboard event details.
Keyboard Tester
Test keyboard input events and inspect event properties directly in the browser.
How to use this tool
Keyboard Test Tool: Paste input, load the sample if needed, choose an action, review the output, and copy the result.
Usage boundaries and result checks
Keyboard Test Tool is for this task: Test keyboard input events and inspect event properties directly in the browser. It runs in the browser; start with a short, non-sensitive sample and confirm the behavior before processing more data.
Input
text, an encoded string, or the data format named by the tool
Output
an encoded, decoded, or compatibility-check result
Before reuse
For Keyboard Test Tool: Confirm the character set, byte boundary, and target protocol. Encoding is not encryption. See the test method.