Test a used laptop before you buy it.
LaptopProof helps you check a second-hand laptop before paying. Test the keyboard, screen, webcam, microphone, speakers, touch input and more directly in your browser, then print a simple result report.
Individual tools when you need one specific test
The full checkup keeps everything in one guided flow. These dedicated pages remain useful when you want to run a single test or share a direct link.
Keyboard Test
Press keys and confirm that your keyboard responds correctly.
Free browser testWebcam Test
Preview your webcam securely in the browser with no upload.
Free browser testMicrophone Test
Grant microphone permission and watch the live audio meter.
Free browser testSpeaker Test
Check left, right and stereo speaker output.
Free browser testDead Pixel Test
Cycle through solid colors and inspect the panel visually.
Free browser testScreen Test
Inspect the screen information your browser exposes.
Free browser testRefresh Rate Test
Measure an approximate display refresh rate without downloads.
Free browser testTouchscreen Test
Confirm touch points or pointer input across the screen.
Free browser testMouse Test
Check clicks, pointer movement and wheel activity.
Free browser testDevice Information
See useful device details without installing software.
Free browser testBattery Test
View battery status in browsers that still expose the Battery API.
Free browser testGamepad Test
Quickly verify whether your browser can see a connected controller.
Free browser testOne guided run with visible progress
See exactly where you are, what has passed, what needs attention and what still needs checking. Your results stay together until the final report.
Start one full check
No registration, software installation or jumping between separate tool pages.
Follow each guided step
Run the built-in tests, then mark each step Passed, Needs Attention or Skipped.
Get one clear report
See your completion, issues and notes together, then print or save the report as PDF.
Free online laptop tests for buyers, sellers and troubleshooting
Use one focused test or run the full used-laptop workflow. Most checks start instantly and run locally in your browser.
Check before paying
Work through screen, keyboard, camera, audio and device checks in one guided flow.
Open only what you need
Use direct pages for keyboard, webcam, microphone, speakers, dead pixels, refresh rate and more.
No account required
Camera and microphone previews stay in the browser for the built-in tests; no software installation is needed.
Checking a second-hand laptop?
Run the complete guided device test before handing over payment.