Test your device's webcam hardware with our free Camera Tester. Verify live video streams, check frame dimensions, and capture high-resolution PNG snapshot images directly inside your browser with complete privacy.
Click Request Webcam Access and authorize browser media permissions.
Observe the video stream to test focus, lighting, and frame clarity.
Click Capture Snapshot to save a PNG image frame directly to your device.
Queries navigator.mediaDevices.getUserMedia() to stream live webcam video frames efficiently.
Renders current video frames onto off-screen canvas elements for instant PNG snapshot creation.
All video frames remain in local RAM memory. No video feeds or snapshot images leave your device.
The W3C Media Capture and Streams API (navigator.mediaDevices.getUserMedia()) prompts the user for camera access and returns a real-time MediaStream object.
Attaching the stream to an HTML5 <video> element via video.srcObject = stream allows hardware-accelerated video rendering.
To capture snapshot images, the current video frame is drawn onto an HTML5 <canvas> element using ctx.drawImage(), which rasterizes the frame pixels into a PNG base64 data URI for instant local downloading.