DeadPixelTest.net
Camera and webcam diagnostic tool

Camera Resolution Test

Start a live preview and view the active camera resolution and reported frame rate.

Camera is off
Allow camera access to begin the test.
Direct answer

What is the Camera Resolution Test – Check Webcam Video Size Online?

Check the resolution reported by a laptop, phone, tablet, USB webcam or compatible camera in your browser.

✓ No installation✓ Works in compatible browsers✓ Privacy-focused testing

Reported camera resolution

Browser-reported resolution can differ from the sensor’s advertised maximum because of driver, browser and performance settings.

How to run this test

  1. Connect or enable the camera.
  2. Select Start camera and grant browser permission.
  3. Choose the correct camera from the list when more than one is available.
  4. Inspect focus, color, exposure, motion and the reported resolution.

For the broadest camera guidance, see the main camera and webcam tester.

Compatibility: The test requires HTTPS and browser camera permission. Video remains local to your device.
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View all tests
Dead Pixel TestInspect solid colors for dead, stuck, bright or dark pixels. Touch Screen TestCheck touch coverage, dragging continuity and dead zones. Keyboard TesterTest a full-size keyboard and confirm every key press. Mouse TesterTest buttons, wheel, movement, dragging and double-clicks. Audio TesterCheck speakers, stereo channels, tones and microphone input. Camera & WebcamTest built-in, USB, phone, tablet and compatible TV cameras. Microphone TesterView microphone levels, waveform, recording and playback. Pixel ExerciserExercise a suspected stuck-pixel area with changing colors. Gradient TestInspect gradients, tonal transitions and visible banding. Brightness & ContrastCheck black levels, white saturation and contrast separation. Screen Size TestView viewport, resolution, pixel ratio and display data. Text SharpnessInspect text rendering, browser scaling and clarity. Motion & GhostingObserve motion blur, ghosting and response behavior. Resolution & ScalingCheck screen resolution, CSS pixels and scaling. Device InformationReview screen, browser, hardware and platform information. Browser CapabilityCheck which browser APIs and hardware features are supported. Network TestCheck connection status, latency and estimated download speed. GPS & LocationTest browser geolocation, accuracy, altitude and speed. Sensor TesterTest orientation, motion, acceleration and rotation sensors. Multi-Touch TesterTrack multiple touch points, pinching and rotation gestures.
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