Online Keyboard Tester - Free Tool

Test your keyboard online with our free keyboard tester. Instantly check every key, switch between Windows and Mac layouts, and troubleshoot issues with TestMyKey.Com’s easy-to-use tool.

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Online Keyboard Tester Interface - Press keys to test

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Diagnostics

How to Test for Optimal Performance

Is your keyboard lagging? Learn how to professionally diagnose switch chatter, ghosting, and latency issues in seconds.

Repair

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FAQs

How do I test for "Ghosting" on this tool?

Press multiple keys simultaneously (e.g., W + A + Shift + Space). If all keys light up blue on the screen, your keyboard supports multi-key rollover. If some stay grey, you are experiencing ghosting.

Is this safe? Do you record my keystrokes?

It is 100% safe. We use client-side JavaScript, meaning your keystrokes are processed locally in your browser and are never sent to our servers. Read our Privacy Policy for more details.

Why is my wireless keyboard lagging?

Input lag is common with Bluetooth or interference on 2.4GHz connections. Use our tester to check "wake-up delay." If keys miss the first press, try moving your USB dongle closer or switching to wired mode.

How do I fix a key that "double types" (Chatter)?

If a single press registers twice on our tester, it's called Switch Chatter. For mechanical keyboards, try cleaning the switch with compressed air or replacing it if your board is hot-swappable.