TestMyLaptop TestMyLaptop

Free Online Webcam Test — Check Your Camera in Seconds

Live camera preview with resolution and frame-rate readout.

Live preview from your camera. The stream never leaves your device.

Camera is off

Click "Start camera" to begin

Resolution: —
Frame rate: —
Device: —
Status: idle

How it works

How to use the webcam test

Click "Start camera" to begin. Grant permission when prompted by your browser. You will see a live preview from your webcam along with technical details about the stream: current resolution, frame rate, and device name. If you have multiple cameras connected (built-in laptop camera and an external USB webcam, for example), a dropdown lets you switch between them.

This is useful for checking whether your camera works before a video call, verifying a second-hand laptop's webcam, or troubleshooting camera issues in general.

Reading your results

Resolution

The reported resolution is the actual width and height of the video stream. Most laptop webcams top out at 720p (1280×720) or 1080p (1920×1080). If the resolution seems lower than expected, your camera or browser may be negotiating a lower quality. Some browsers let you switch resolutions via the camera dropdown.

Frame rate

Standard webcams run at 30 fps. Higher-end models may reach 60 fps. If the frame rate is below 15 fps, the video will appear choppy. This can be caused by poor lighting (the camera drops frame rate to maintain exposure), a slow USB connection, or hardware failure.

Image quality

Look at the preview critically. In a well-lit room, the image should be clear, colors reasonably accurate, and motion smooth. Excessive noise, persistent artifacts, or a blurry image that does not improve with focus adjustment may indicate a failing camera module or a dirty lens.

Privacy assurance

This test uses the getUserMedia API to access your camera. The video is displayed via a <video> element locally in your browser. No data is ever sent over the network. You can confirm this by checking your browser's developer tools Network tab — zero video data is transmitted.

Related tools

Frequently Asked Questions

Does this tool record or stream my video anywhere? expand_more
No. The video stream never leaves your browser. It is displayed locally using a <code>&lt;video&gt;</code> element connected to your camera through <code>getUserMedia</code>. The data stays entirely on your device — nothing is sent to any server.
Why is no camera detected? expand_more
Your browser may not have camera permission, or your device may not have a built-in or external webcam connected. Check your browser settings to allow camera access. On laptops, there is often a physical privacy shutter or a function key that disables the camera.
How accurate are the resolution and frame rate readings? expand_more
They come directly from the browser's <code>MediaStreamTrack</code> settings object. The reported values are the actual operating parameters of the video stream. Note that some browsers do not expose <code>frameRate</code> or may report the requested ideal rather than the achieved value.
What should I look for when testing webcam quality? expand_more
Check for accurate color reproduction, smooth motion without stuttering, proper exposure in your room's lighting, and that the autofocus (if available) works correctly. Grainy or pixelated video in good lighting suggests a low-quality or damaged sensor.
Can I test an external USB webcam? expand_more
Yes. If multiple cameras are available, the tool lists them so you can switch. Simply plug in your USB webcam, select it from the list, and click Start. The preview will begin using that camera.