Limited Availability Media elements

captureStream() for <audio> and <video>

The captureStream() method for <audio> and <video> elements returns a MediaStream for the media element's content. You can use this to record media or send it elsewhere, such as a canvas or WebRTC connection.

Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on Mar 24, 2026.

Desktop Browser Engine Support

Google Chrome

62

Supported

Mozilla Firefox

149

Supported

Apple Safari

—

Unsupported

Microsoft Edge

79

Supported

Mobile Browser Engine Support

Chrome Android

62

Firefox Android

149

Safari iOS

—

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

api.HTMLMediaElement.captureStream ↗