Space Bar Not Working
The most frequently used key on a keyboard can fail through wear, dust or contamination.
Keyboard Tester Controls
Keyboard test active
Click anywhere on this page, then press keys on your keyboard. No text box needed.
On mobile, browser keyboards may not expose every physical key. For the best test, use a physical keyboard.
Keyboard Completion
0 / 0 keys tested
Live Keyboard Test
Last Key Pressed
None
Keys Held
0
Total Presses
0
Rollover Max
0
Currently Held Keys
- None
Key History
- No keys pressed yet.
Missing / Untested Keys
- Start pressing keys to test.
Most Pressed Keys
No key statistics yet.
What Is A Keyboard Test?
A keyboard test is an online diagnostic tool used to verify that every key on a keyboard is functioning correctly. When a key is pressed, the keyboard tester detects the input and highlights the corresponding key on screen. This allows users to quickly identify broken keys, unresponsive keys, sticky keys, repeating keys and other keyboard issues.
Keyboard tests are commonly used for laptop keyboards, desktop keyboards, gaming keyboards, mechanical keyboards, wireless keyboards and MacBook keyboards. Whether you have purchased a new keyboard or are troubleshooting a faulty key, a keyboard checker provides a quick way to verify functionality.
How To Test Your Keyboard Online
- Select your keyboard type and layout.
- Click anywhere inside the keyboard test page.
- Press every key on your keyboard.
- Working keys will light up green.
- Held keys will display in blue.
- Untested keys remain listed in the missing keys section.
- Continue until the completion bar reaches 100%.
The keyboard tester works directly in your browser and does not require any software installation.
Laptop Keyboard Test
Laptop keyboards are frequently affected by dust, wear, accidental liquid spills and physical damage. Using an online laptop keyboard test makes it easy to verify whether every key is still responding correctly.
Common laptop keyboard problems include non-responsive keys, intermittent key presses, repeated characters, damaged space bars and faulty function keys.
MacBook Keyboard Test
MacBook keyboards differ from many Windows keyboards. Keys such as Command, Option and Return replace some of the labels found on traditional PC keyboards.
The MacBook keyboard mode removes keys that are not typically present on Apple laptops and adjusts labels to match Apple terminology. This provides more accurate testing and completion tracking for MacBook users.
This keyboard tester supports MacBook Air and MacBook Pro users and can help identify hardware issues before visiting an Apple Store or repair centre.
Mechanical Keyboard Test
Mechanical keyboard users often test switches after building, cleaning or modifying their keyboard. A keyboard test can verify that every switch is correctly registering key presses.
Popular mechanical switch manufacturers include Cherry MX, Gateron, Kailh, Outemu and Razer. Regardless of switch type, every key should register consistently and accurately.
Gaming Keyboard Test
Gaming keyboards are designed to support multiple simultaneous key presses. This is often referred to as anti-ghosting or N-key rollover.
Competitive gamers commonly test combinations such as:
- W + A + Shift
- W + Space
- Ctrl + Shift + Space
- Alt + Tab
- Q + E + R combinations
The rollover counter allows gamers to determine how many keys are detected at the same time.
Key Rollover Test And Anti-Ghosting
Key rollover measures how many simultaneous key presses a keyboard can detect. Some keyboards support 2-key rollover, while premium gaming keyboards support full N-key rollover.
Anti-ghosting technology prevents phantom key presses from appearing when multiple keys are pressed together. A rollover test is one of the most important checks for gaming keyboards.
Sticky Key Detection
Sticky keys can occur when dirt, dust or liquid residue affects the movement of a switch. In some cases, worn hardware may also cause keys to remain electronically active after release.
The keyboard tester highlights keys that remain held for an extended period, helping users identify potential sticky key issues.
Common Keyboard Problems
Enter Key Not Working
Problems with the Enter key can affect productivity, form submissions and everyday typing.
Shift Key Not Working
A faulty Shift key prevents capital letters and many common shortcut combinations.
Ctrl Key Not Working
Ctrl key problems commonly affect copy, paste, save, undo and productivity shortcuts.
Function Keys Not Working
Function row issues are frequently caused by keyboard software settings or laptop function modes.
Arrow Keys Not Working
Navigation keys are commonly tested on laptops, compact keyboards and gaming keyboards.
Keyboard Layouts Supported
US ANSI Keyboard
The US ANSI layout is one of the most common keyboard layouts in North America.
UK ISO Keyboard
The UK ISO keyboard layout is common throughout the United Kingdom and includes the £ symbol.
German QWERTZ Keyboard
The German QWERTZ keyboard layout uses a QWERTZ arrangement and includes German language characters.
French AZERTY Keyboard
The French AZERTY keyboard layout uses the AZERTY arrangement commonly found in France.
Spanish Keyboard
The Spanish keyboard layout includes Spanish language characters and punctuation.
Italian Keyboard
The Italian keyboard layout is designed for Italian language typing requirements.
Portuguese Keyboard
The Portuguese keyboard layout supports Portuguese language characters and symbols.
Nordic Keyboard
The Nordic keyboard layout is used across Scandinavian countries with local character support.
Dvorak Keyboard
The Dvorak keyboard layout is an alternative layout designed to improve typing efficiency.
Mechanical Vs Membrane Keyboards
| Feature | Mechanical Keyboard | Membrane Keyboard |
|---|---|---|
| Typing Feedback | Usually stronger and more tactile | Usually softer and quieter |
| Durability | Often very high | Usually moderate |
| Gaming Use | Popular for gaming and custom keyboards | Common in standard office keyboards |
| Repairability | Often easier to repair or customise | Usually replaced rather than repaired |
Frequently Asked Questions
Is this keyboard test free?
Yes. This keyboard tester is free to use directly in your browser.
Can I test a laptop keyboard?
Yes. Use the laptop keyboard mode to test built-in laptop keyboards.
Can I test a MacBook keyboard?
Yes. Use MacBook keyboard mode to test Apple laptop keyboards with Command and Option labels.
Can I test a mechanical keyboard?
Yes. Mechanical keyboard users can press every switch and confirm whether each key is detected.
Can I test a gaming keyboard?
Yes. You can test WASD, modifier keys, space bar, shortcuts and key rollover.
What is key rollover?
Key rollover is the number of simultaneous key presses a keyboard can detect correctly.
What is anti-ghosting?
Anti-ghosting helps prevent unwanted phantom key presses when multiple keys are pressed together.
Why is my keyboard repeating characters?
Repeated characters can be caused by sticky keys, worn switches, software settings or keyboard damage.
How do I know if a key is broken?
If a key does not light up during the test, it may be faulty, unsupported by the browser, or mapped differently.
Why does the browser not detect every key?
Some system keys are reserved by the operating system or browser and may not be fully detectable.
Does this keyboard tester work on phones?
It works in mobile browsers, but physical keyboard testing is best done with a real keyboard connected.
Does this keyboard test record my keystrokes?
No. The keyboard test runs locally in your browser using JavaScript.
Can I test wireless keyboards?
Yes. Wireless keyboards can be tested as long as the browser receives the key presses.
Can I test Bluetooth keyboards?
Yes. Bluetooth keyboards can be tested when connected to your device.
Does this work in Chrome and Safari?
Yes, although some browser or operating system shortcuts may be restricted.
Related Tools
- Dead Pixel Test – Check screens for dead pixels and stuck pixels.
- Spin The Wheel – Random picker wheel for names, tasks and choices.
- 10 Second Stopwatch Game – Stop the timer at exactly 10 seconds.
- Percentage Calculator – Calculate percentages and percentage changes.
- Compound Interest Calculator – Estimate compound interest growth.
- Savings Goal Calculator – Work out how much to save for a goal.