Test Center Updated Test Tools

Free Online Hardware Tests

Use the Denerim Test Center to perform a keyboard test, camera test, speaker test, and many other device checks directly in your browser.

Test data is not uploaded • Mobile-friendly • Secure permission flow
Available on Google Play Denerim Test Test keyboards, mice, headphones and other devices quickly from your phone. View the App
Result-focused test flow

Choose the right test for your problem

Select the symptom, complete the required checks, then review the measurements and troubleshooting guidance in your result.

1 Choose a test 2 Complete checks 3 Review the result

Your device check plan in this browser

0 of 7 tests completed

Only the test type, result status and date are stored on this device.

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Keyboard Test

Key Test

Check whether your keyboard keys are detected and working correctly.

What does it offer?
  • An interactive virtual keyboard
  • Real-time highlighting of pressed keys
  • A history of the last 20 tested keys
How does it work?
  1. Open the page and activate the test area
  2. Press different keys on your keyboard
  3. Check which keys are detected on the screen

Gamepad Test

Axes / Buttons

Test your gamepad buttons, analog sticks, triggers and vibration motor.

What does it offer?
  • Real-time gamepad button testing
  • Analog stick movement and axis testing
  • Trigger and vibration testing
How does it work?
  1. Open the page and connect your gamepad
  2. Press the buttons and move the analog sticks
  3. Use the vibration button to test haptic feedback

Microphone Test

Clarity / Noise

Check your microphone's input level, background noise and overall voice clarity.

What does it offer?
  • Record audio using your selected microphone
  • Play the recording back immediately
  • Your microphone recordings are not stored
How does it work?
  1. Open the page and select your microphone
  2. Start recording and speak normally
  3. Stop the recording and listen to the result

Speaker / Headphone Test

Audio / Channels

Check your speakers or headphones and verify their stereo channel balance.

What does it offer?
  • Audio output and volume testing
  • Left, right and center channel testing
  • Keyboard shortcuts for faster testing
How does it work?
  1. Open the page and play the test sound
  2. Adjust the playback volume
  3. Switch between audio channels and verify the output

Mouse Test

Click / Scroll

Check your mouse buttons and scroll wheel directly in your browser.

What does it offer?
  • Left, right and middle button testing
  • Scroll wheel direction testing
  • Real-time button input detection
How does it work?
  1. Open the page and activate the test area
  2. Press each mouse button
  3. Scroll up and down to test the wheel

Camera Test

Resolution / Photo

Test your camera with live preview, resolution and FPS options.

What does it offer?
  • Live camera preview
  • Resolution, FPS and mirror controls
  • Photo capture and image review
How does it work?
  1. Open the page and allow camera access
  2. Select the camera and video settings
  3. Review the live image or capture a photo

Monitor and Dead Pixel Test

Pixels / Custom Colors

Check your monitor for dead pixels, stuck pixels and other display defects.

What does it offer?
  • Full-screen solid-color tests
  • Pixel fixer mode
  • Custom colors and display patterns
How does it work?
  1. Open the page and select a test color
  2. Switch to full-screen mode
  3. Inspect the panel for unusual or inactive pixels

What are these test pages for?

These tools are designed to test devices you already own. They help you identify which features are working correctly and where a possible hardware or connection problem may exist.

Quick Results
Test your devices in just a few minutes.
Customizable Tests
Use the available controls to customize your testing experience.
Explore Simulations
Your product may already have an interactive simulation on Denerim. Visit the Turkish product catalog to find out.

How to verify a test result

Run the relevant test, then follow the interpretation steps on that page. Repeat a suspicious result with a different connection or browser to help distinguish browser behavior from a hardware fault.

Denerim is an independent project developed by Emirhan Bıçakçı. Its browser tests help check input and media reaching your browser; they do not replace laboratory measurements or a service report.