录屏测试
测试您的浏览器是否可以录制屏幕、窗口或选项卡，并在下载前查看本地预览。
测试接口
按“开始”后，您的浏览器可能会请求许可。如何使用这个工具
- Click Start recording and choose a screen, window, or tab in the browser picker.
- Wait for the preview to appear and confirm that frames are moving.
- Stop the recording and review the playback and file size.
- Download only if you need to keep the clip.
广告
技术说明
getDisplayMedia() captures a user-selected surface and MediaRecorder encodes it in a browser-supported container. The page never receives a list of your windows or the ability to start capture without the picker.
Recording performance depends on the encoder, resolution, and hardware. A successful recording confirms that the API and codec path work, not that every application will record smoothly.
故障排除
The picker does not appear
getDisplayMedia requires a secure context, a user gesture, and browser support. Managed devices may disable it.
Recording is empty
Choose a surface that is actively changing. Some protected content cannot be captured.
No video preview
The selected MIME type may not be supported. Try another browser.
Audio is missing
This page records video only. System audio capture support varies by browser and platform.
相关工具
常见问题
广告