Key Code Tester
Press any key to inspect its key, code, keyCode, and modifier state. Useful for keyboard event debugging.
⌨️
Click here to start
Then press any key
- 100% free — no account needed
- Runs in your browser
- Nothing is uploaded
Frequently asked questions
Is Key Code Tester really free?
Yes. Key Code Tester is completely free on PureBrowser — every feature, with no account, no trial, and no credit card.
Does Key Code Tester upload my data?
No. Key Code Tester runs entirely inside your browser, so anything you type, paste, or open stays on your own device.
Do I need to sign up or install anything?
Neither. There is no account and nothing to download — open the page and Key Code Tester is ready to use on desktop or mobile.
Does Key Code Tester work offline?
Once the page has loaded, yes. All of the processing happens locally in your browser, so it keeps working without a connection.
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