No installation required
Tests your screen, camera, microphone, and speakers instantly from any browser without installing drivers or diagnostic software.
Device Test
Test your computer or smartphone hardware online. Check screen dead pixels, microphone input, webcam video, keyboard keys, and speaker audio.
Loading tool…
How to use Device Test
- 1
Open the tool to automatically detect your screen resolution, device pixel ratio, and browser information.
- 2
Click the microphone, camera, or speaker test buttons to verify each peripheral.
- 3
Check the network information panel to see your connection type and estimated speed.
- 4
Use the results to troubleshoot hardware issues or verify device specifications.
Why use this tool?
Comprehensive hardware check
Verifies all major browser-accessible hardware in one place: display, audio input, audio output, camera, and network.
Shareable results
View your device specifications in a clear summary — useful for troubleshooting support tickets or comparing device configurations.
Frequently asked questions
Does the device test share my hardware information with anyone?
No. All device information is read locally by the browser using Web APIs. No data is transmitted to any server.
Why does the camera or microphone test ask for permission?
Browsers require your explicit permission before any site can access your camera or microphone. The permission is only active during the test session on this page.
What hardware components can I test?
You can test your webcam stream, microphone input levels, audio speakers, screen color pixels, and keyboard responsiveness directly in the browser.
Related tools
Everyday Utilities
Noise Meter
Measure real-time sound decibel levels (dB) and ambient noise using your device microphone.
Audio Recorder and Trimmer
Record microphone audio, trim sound files, and export voice recordings as MP3 or WAV.
Online Photo Booth
Take vintage photobooth strips and camera photos with retro filters and countdown timers.
Remove Duplicate Lines
Remove repeated lines while preserving their first occurrence.
Sort Lines
Sort lines naturally, alphabetically, or by length.
URL Encode & Decode Online
Encode or decode URL components and query strings with percent encoding.