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Full-size PC and USB keyboard test.

Windows Keyboard Tester

Use this Windows keyboard tester to check full-size PC keyboards, external USB keyboards, function keys, arrows, and numpad keys.

Windows system shortcuts may be intercepted before the browser can read them.

Start testingWindows full-size layout selected
Windows full-size layout selected

Run the Windows Keyboard Tester

2. Start testing

Click here to start testing.
All processing is local
Full-size layout with numpad and navigation clusterGood for external USB keyboard checksExports a local Windows keyboard report

Inspection flow

Inspection flow

1. Full key pass

0/104

Press every key in the selected layout until the progress reaches 100%.

2. Ghosting combos

0/4

Hold each listed combo and confirm all keys appear together.

3. Chatter 10-tap check

0/10

Tap Press a key ten times with normal pressure, then review possible chatter.

W + A + Shift + SpaceW + D + Shift + SpaceQ + W + E + RA + S + D + F

Live status

Test stats

0Tested keys
104Untested keys
0Pressed now
0Max simultaneous
0Possible issues
Last key
None
Currently pressed
None

Ghosting test

Rollover check

Current pressed keys
None
Max simultaneous keys detected
0

Try common gaming combinations to check for possible ghosting.

W + A + Shift + SpaceW + D + Shift + SpaceCtrl + Shift + EscQ + W + E + RA + S + D + F

Diagnostics

Possible issues

Possible chatter
None detected
Possible stuck keys
None detected

These are browser-based estimates. Retest a suspicious key several times before treating it as a hardware fault.

Local report

Export results

Keyboard Tester Online Report
=============================
Generated at: 2026-05-15T07:32:42.453Z
Selected layout: Windows Full-size
Browser / OS: Unknown browser on Win32
Tested keys: 0/104
Untested keys: 104
Untested key list: Esc, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, PrtSc, ScrLk, Pause, `, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, -, =, Backspace, Ins, Home, PgUp, Num, /, *, -, Tab, Q, W, and 64 more
Max simultaneous keys detected: 0
Possible stuck keys: None
Possible chatter keys: None

Pass / fail checklist
---------------------
All layout keys tested: CHECK
No possible stuck keys: PASS
No possible chatter keys: PASS
Multi-key input detected: CHECK

Issue summary: 104 layout keys were not tested; multi-key rollover was not meaningfully tested
Notes: Browser-based estimate. Some hardware keys, Fn keys, media keys, and system shortcuts may not be detectable.
ChecklistAll keys: CHECKStuck keys: PASSChatter: PASS

Full-size keyboard tester

The default layout includes function keys, navigation keys, arrows, and numpad keys for full-size PC keyboards.

External keyboard tester

Use this page when checking a USB or wireless keyboard before work, gaming, resale, or support handoff.

Windows key and shortcut limits

Some Windows shortcuts, security combinations, and browser shortcuts may be handled before this page receives them.

Numpad and function key test

Run a full key pass to confirm numpad, F-row, arrows, and navigation cluster keys are detected.

Export a Windows keyboard report

Download a local report with tested keys, untested keys, and possible keyboard issues.

Help

Can this test the Windows key?

It can detect many Windows key presses when the browser receives them, but system shortcuts may be intercepted.

Can this test a USB keyboard?

Yes for standard keys that the browser receives from the operating system.

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