paulirish/chrome-capture
60-120fps / 2160p tab video/audio capture from Chrome
From the publisher
README & documentation
Source previewRead the project’s overview, installation instructions and usage examples. The original README is the source of truth.
Record a Chrome tab at 60-120fps (up to 2160p) straight to a AV1 .mp4. Tab audio too. No ffmpeg. For the past decade, Page.startScreencast was the only way to get video frames out of CDP. That API is from 2013, built so DevTools could show a live preview of a USB-tethered Android. (So good!) Both Playwright (recordVideo) and Puppeteer (page.screencast()) built their video capture on top of it: Chrome JPEG-encodes each frame, base64s it into JSON over CDP, waits for an ack, and the library pipes those JPEGs into ffmpeg. It's served us well. In Sept 2026… the new Page.startScreenRecording landed (thx alex rudenko!). Frames go straight from the compositor to an out-of-process encoder over shared memory, and Chrome writes AV1 into the mp4 as it goes (plus optional tab audio). 💅 Stopping is instant because the encoding is already done (no multi-second ffmpeg flush at the end). And you…
Read the full README ↗ · Preview checked 2026-11-14T16:25:57.828Z
Inside the original README — Document outline
- chrome-capture
- Chrome 153+ has a native MP4 tab recorder! 😻
- CLI
- Playwright, Puppeteer, or raw CDP
- @playwright/test fixture
- Raw CDP
- Visible cursor
- Benchmarks
- How high can it go?
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Documentation belongs to its respective authors. Reported project/model license: Apache-2.0. A listing is not a grant of reuse or training rights. Confirm the document’s own terms at the source.
What this repository does
60-120fps / 2160p tab video/audio capture from Chrome
Repository facts
- Owner
- paulirish
- Primary language
- TypeScript
- Stars
- 444
- Forks
- 7
- Open issues + pull requests
- 0
- License
- Apache-2.0
- Archived
- No
- Default branch
- main
- Created
- 2026-11-08T20:07:38.000Z
- Last push
- 2026-11-11T01:40:29.000Z
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