Mobile diagnostic tool

Browser Capability Test

See which diagnostic, media, storage and app features are available in your current browser.

Direct answer

What is the Browser Capability Test – Camera, Audio, Sensors & More?

Check whether your browser supports camera, microphone, audio, fullscreen, touch, sensors, location, storage, WebGL, WebGPU and other device-testing APIs.

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

Why support varies

Features depend on browser version, operating system, HTTPS, user permission and device hardware. An unavailable API does not necessarily mean the hardware is missing.

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Move between screen, camera, audio and device checks without returning to the homepage.

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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.