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Click to start camera
- • Check browser permissions for camera access
- • Close other apps that might be using the camera
- • Update your camera drivers
- • 检查外置摄像头的 USB 连接
摄像头视频留在您的设备上。不会上传任何内容。
About Webcam Tester
Before joining an important video call, it's crucial to ensure your camera is working correctly. Our free online Webcam Tester allows you to check your camera's video feed, resolution, and frame rate instantly in your browser.
How It Works
The tool requests access to your device's camera using the HTML5 MediaDevices API. Once permission is granted, it streams the video directly to a local video element on the page and reads the hardware's resolution capabilities.
Common Use Cases
- Testing a new external webcam before a Zoom or Teams meeting
- Troubleshooting camera issues or black screens
- Checking the actual resolution and aspect ratio of your camera
- Ensuring lighting and framing look good before recording
Frequently Asked Questions
Absolutely not. The video stream is rendered entirely locally within your browser. No video data is ever transmitted over the internet or saved to our servers.
Ensure that you have clicked 'Allow' when the browser asks for camera permissions. Also, check that no other application (like Zoom or Skype) is currently using the camera, as most webcams can only be used by one app at a time.