Keyboard Tester
Press each key. Keys turn green once detected.
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How to use
- Press keys one by one.
- Keys that never turn green may be faulty.
- If one press registers twice, you'll see a chatter warning.
FAQ
Why doesn't the Fn key show?
Some special keys never reach the browser, so they can't be tested here.
Does it work with laptop keyboards?
Yes, both laptop and external keyboards.