Free · Private · Browser-based
Test Your Device.
Free browser-based tests for your phone, tablet, laptop, or computer. No installation. Nothing leaves your device.
Choose a Test
Each test runs entirely in your browser.
Screen Test
Check for dead pixels and display issues.
Touch Screen
Check touch accuracy and dead zones.
Camera
Test front and rear cameras.
Microphone
Verify microphone input works.
Speaker
Test audio output and channels.
GPS & Location
Verify location accuracy and GPS lock.
Dead Pixels
Find dead and stuck pixels on any screen.
Complete Diagnostic
Run all tests and get a health score.
Buying a used phone?
Check the important hardware before you pay. A quick browser test can reveal screen issues, camera problems, sensor failures, and more.
More Tests
Additional diagnostics for sensors, input, and graphics.
Device Health
Run supported diagnostic tests and see an overall health view with weighted scores.
How It Works
Choose a test
Pick a specific component to test or run a full diagnostic.
Allow browser permission
Your browser will ask for access to the camera, microphone, or sensors.
Review your results
See a clear pass, warning, or fail result with details.
Your Device. Your Data.
TestAnyDevice runs entirely in your browser. No accounts. No analytics tracking. When a test requests camera, microphone, or location access, your browser handles the permission — TestAnyDevice does not receive or transmit that data.
Who Is It For?
Checking a used device
Verify that a phone or laptop works before buying or selling it.
Troubleshooting problems
Figure out which component might be causing an issue.
Post-repair verification
Confirm that a repaired part is functioning correctly.
Routine device check
Run a quick health check on your own device.
Ready to check your device?
Run a free diagnostic in your browser. No installation needed.