WebCodecs #151

This GitHub issue is for collecting web developer signals for WebCodecs.

The WebCodecs API provides low-level access to individual video frames and chunks of audio samples, for full control over the way media is processed.

Browser support

• Chrome 94 (Sep 21, 2021)
• Chrome Android 94 (Sep 21, 2021)
• Edge 94 (Sep 24, 2021)
• Firefox 130 (Sep 3, 2024)
• Firefox for Android: not supported
• Safari 26 (Sep 15, 2025)
• Safari on iOS 26 (Sep 15, 2025)

Give us feedback

If you're pressed for time, but you want this feature to be available in all browsers, please give this issue a thumbs up 👍 reaction.

However, a much better guide for us is to know how you'd use this feature, and what you're having to do in the meantime. This helps us judge the priority versus other features.

Copy the template below in a comment, and add the details that matter to you.

## What I want to do with this feature

<!-- Add your specific use-cases, even if they seem obvious to you. -->

## What I'm having to do in the meantime

<!--
Are you having to use another feature instead, a polyfill, or is it blocking you completely?
Why are the alternatives worse than using this feature?
-->

All comments are expected to adhere to the Code of Conduct.

Learn more

You can learn more about this feature here:

• MDN
• caniuse.com
• web features explorer
• webstatus.dev
• Specification