Can I use
?

AV1 video format

- OTHER

AV1 (AOMedia Video 1) is a royalty-free video format by the Alliance for Open Media, meant to succeed its predecessor VP9 and compete with the HEVC/H.265 format.

Chrome

  1. 4 - 66: Not supported
  2. 67 - 69: Disabled by default
  3. 70 - 112: Supported
  4. 113: Supported
  5. 114 - 116: Supported

Edge

  1. 12 - 17: Not supported
  2. 18 - 112: Disabled by default
  3. 113: Disabled by default

Safari

  1. 3.1 - 16.4: Not supported
  2. 16.5: Not supported
  3. 16.6 - TP: Not supported

Firefox

  1. 2 - 54: Not supported
  2. 55 - 64: Disabled by default
  3. 65: Partial support
  4. 66: Partial support
  5. 67 - 112: Supported
  6. 113: Supported
  7. 114 - 115: Supported

Opera

  1. 9 - 56: Not supported
  2. 57 - 98: Supported
  3. 99: Supported

IE

  1. 5.5 - 10: Not supported
  2. 11: Not supported

Chrome for Android

  1. 113: Supported

Safari on iOS

  1. 3.2 - 16.4: Not supported
  2. 16.5: Not supported

Samsung Internet

  1. 4 - 11.2: Not supported
  2. 12.0 - 20: Supported
  3. 21: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 73: Supported

UC Browser for Android

  1. 13.4: Supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 113: Supported

Firefox for Android

  1. 113: Supported

QQ Browser

  1. 13.1: Supported

Baidu Browser

  1. 13.18: Supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Not supported
Resources:
Sample video from Bitmovin
Safari implementation bug
Firefox implementation bug
Wikipedia article
Sample video from Facebook