K KeyboardTester
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Apple keyboard and Mac layout test.

Mac Keyboard Tester

Use this Mac keyboard tester to check Apple keyboard keys, Command, Option, Control, arrows, function keys, and common Mac keyboard layouts.

Some Mac hardware keys and system shortcuts may be handled before the browser receives them.

Start testingMac layout selected by default
Mac layout selected by default

Run the Mac Keyboard Tester

2. Start testing

Click here to start testing.
All processing is local
Mac layout with Command and Option labelsChecks standard keys exposed to the browserNotes Fn, Touch ID, and system shortcut limits

Inspection flow

Inspection flow

1. Full key pass

0/77

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
77Untested 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 + SpaceControl + 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: 2026-05-15T07:32:42.430Z
Selected layout: Mac
Browser / OS: Unknown browser on Win32
Tested keys: 0/77
Untested keys: 77
Untested key list: Esc, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, `, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, -, =, Delete, Tab, Q, W, E, R, T, Y, U, I, O, P, [, ], and 37 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: 77 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

Apple keyboard tester

Use the Mac layout to check Apple keyboard labels, arrows, letter keys, and browser-detectable function keys.

Command and Option key test

Press Command, Option, Control, and Shift to confirm modifier keys are detected by the browser.

Mac function key limits

Brightness, media, Touch ID, power, and Fn behavior may be intercepted by macOS or keyboard firmware.

How to test a Mac keyboard online

Click the testing area, press each key on the Mac layout, and export a report after the full key pass.

Mac keyboard report

Use the local report to document untested keys, possible stuck keys, and possible chatter during Mac keyboard checks.

Help

Can this test the Fn key on Mac?

Usually not. Fn is often handled by hardware or macOS before standard browser keyboard events are emitted.

Can this test Command shortcuts?

It can detect many modifier presses, but system shortcuts may be intercepted before the page sees them.

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