Free Open Source Online Keyboard Tester - Test Your Keyboard Keys

Test your keyboard instantly with our free online keyboard tester. Detect ghosting keys, measure keyboard latency, identify stuck keys, and verify response time—all without any downloads or signup required.

Real-Time Testing

Instantly see keyboard response with color-coded feedback (Green, Yellow, Orange, Red, Purple)

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Multiple Layouts

Support for QWERTY, Dvorak, Colemak, AZERTY, and QWERTZ keyboard layouts

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Multiple Themes

Choose from Dark, Light, Midnight, Cyberpunk, and Forest themes

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Ghost-Click Detection

Identify phantom key presses and detect ghosting issues automatically

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Latency Measurement

Measure keyboard response time and get detailed latency statistics

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Key Statistics & Heatmap

View key press statistics and visual heatmap of your keyboard usage

Key History
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Press keys to feed me!
😺 Hungry
Treats: 0/10 0%
📱 Mobile Keyboard Tester
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Characters Typed 0
Unique Keys 0/42
Tip: Use your device's keyboard (appears when you tap the input field above). Each key you press will light up on the visual keyboard!
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More testing tools

Explore the full suite for keyboard, mouse, audio, and utilities.

Language support: All major tools are available in 8 languages - Arabic, Russian, Spanish, French, Portuguese, Japanese, German, and Korean. Select your language from the header menu to switch.

Keyboard
Keyboard Tester

Test keyboard functionality, detect ghosting, measure latency, check for stuck keys

Test your keyboard
Keyboard
Arabic Keyboard Tester

Test Arabic keyboard layout and key response in an Arabic-first interface

Test Arabic layout
Keyboard
Typing Speed Test

Measure WPM, accuracy, and typing consistency

Check typing speed
Keyboard
Latency Checker

Test device and input latency in your browser

Measure latency
Keyboard
Spacebar Speed Test

Count how many spacebar presses you can make in 5, 10, or 30 seconds

Test your spacebar
Keyboard
Key Repeat Rate Tester

Measure your keyboard key repeat rate (Hz) and initial delay (ms) in your browser

Test repeat rate
Keyboard
Typing Rhythm Fingerprint

Visualize your inter-keystroke timing patterns and get a rhythm consistency score

Analyze rhythm
Keyboard
Keyboard Switch Sound Analyzer

Classify your mechanical keyboard switches as linear, tactile, or clicky using mic FFT analysis

Analyze sound
Mouse
Mouse Tester

Check mouse buttons, scroll wheel, cursor movement, and responsiveness

Test your mouse
Mouse
Mouse Speed Tester

Measure your click speed (CPM or CPS) with timed tests

Check click speed
Mouse
Mouse Sensitivity / DPI

Test DPI, sensitivity, and tracking accuracy

Test DPI settings
Mouse
Mouse Trail

Visualize mouse movement trails and precision

View mouse trails
Mouse
Ghost Click Detector

Detect unintended or phantom clicks

Detect ghost clicks
Mouse
Mouse Polling Rate Test

Check if your gaming mouse runs at 125Hz, 500Hz, 1000Hz or higher

Test polling rate
Mouse
Mouse LOD Tester

Measure your gaming mouse lift-off distance to optimize sensor performance

Test LOD
Display
Screen Tester

Detect dead, stuck, or hot pixels on screens

Test your screen
Display
Monitor Refresh Rate Test

Detect if your display runs at 60Hz, 144Hz, 240Hz or higher

Test refresh rate
Display
Monitor Color Test

Check color accuracy, gradient banding and backlight uniformity

Test colors
Display
Backlight Bleed Test

Check your LCD monitor for backlight bleed, IPS glow, and clouding

Test for bleed
Display
Touch Screen Test

Test for dead zones, ghost touches and multi-touch on phone or tablet

Test touch screen
Display
PWM Flicker Test

Check if your monitor uses PWM backlight dimming that can cause eye strain

Test for flicker
Camera
Webcam Tester

Check webcam quality, resolution, and snapshots

Test your webcam
Audio
Mic Tester

Verify microphone input and audio levels

Test your microphone
Audio
Headphone / Speaker Tester

Test stereo channels and sound output

Test audio output
Utility
OCR Tool

Extract text from images quickly

Extract text now
Utility
QR Code Reader

Scan QR codes with camera or image upload

Scan QR codes
Utility
QR Code Generator

Create custom QR codes instantly

Create QR code
Utility
Password Generator

Create strong, secure passwords instantly

Generate password
Utility
WhatsApp Link Generator

Create clickable WhatsApp chat links

Generate chat link
Utility
WhatsApp Brand Links

Create branded WhatsApp links and QR codes

Create brand link
Utility
WhatsApp Sentiment Analyzer

Analyze chat sentiment and tone

Analyze sentiment
Utility
All Tools

Browse all hardware testing tools in one place

View all tools
Gaming
Gamepad Tester

Test PS5, Xbox, Switch and PC controller buttons, stick drift and triggers

Test controller
Gaming
Reaction Time Test

Measure how fast you react with a browser-based millisecond reflex test

Test reaction time

Online Keyboard Tester Guide

Use our free online keyboard tester to test every key with real-time feedback. Verify your layout and spot issues like ghosting or stuck keys in just seconds.

Start a keyboard test fast

  1. Click inside the tester and press any key on your keyboard.
  2. Confirm the key highlights and appears in the key history.
  3. Use Reset to clear results and run another test.

Pick layout + OS labels

  • Select QWERTY, AZERTY, Dvorak, or Colemak layout.
  • Toggle Windows or Mac labels to match your keyboard.
  • Your layout choice is remembered automatically.

Advanced checks + export

  • Open Advanced Options for stats, heatmap, and ghosting checks.
  • Run Test All Keys to confirm full key coverage.
  • Export results if you need a record for support.
Why doesn’t a key register in the keyboard tester?

Make sure the page is focused, press the key firmly, and confirm your OS language matches the selected layout.

Why are special keys not detected?

Keys like Fn and some media controls are handled by hardware and may not send browser events.

Does the keyboard tester work on mobile devices?

The tool works best on desktop keyboards. Mobile and tablet virtual keyboards may not send full key events.

Can I test keyboard ghosting or multiple key presses?

Yes. Press several keys together to see which keys register and identify ghosting issues.

How do I reset the keyboard test?

Click Reset, then refresh the page to clear any saved preferences.

Is the keyboard test private?

Tests run in your browser and are not uploaded to a server.