Screen recorder FAQ
Is there really no watermark or time limit?
Really. The recording is made by your own browser with the built-in MediaRecorder — there's no server in the loop to impose limits or stamp watermarks.
How do trim and crop work?
After recording, drag the two handles on the timeline to set where your clip starts and ends. Switch to the Crop tab to draw a region — only that area will appear in the exported video. Click "Export edited" and the browser re-renders the clip in real time, then downloads the result.
How do I record system / tab audio?
Keep "Tab / system audio" on, and when the share dialog opens pick a browser tab and enable "Also share tab audio". On Windows, sharing your entire screen can capture system audio too. macOS only exposes tab audio.
What format do I get?
Chrome, Edge and Firefox save WebM (VP9/VP8). Safari saves MP4. Both upload fine to YouTube, Google Drive, Slack and most editors. If an app insists on MP4, any free converter can transcode WebM instantly.
Why can't I record on my phone?
Mobile browsers don't allow web pages to capture the screen. Use your phone's built-in recorder (iOS Control Center, or the Android quick-settings tile) — on a laptop or desktop this tool does it all.