Can I use Opus?

Compatibility table for support of Opus in desktop and mobile browsers.

Legend

Royalty-free open audio codec by IETF, which incorporated SILK from Skype and CELT from Xiph.org, to serve higher sound quality and lower latency at the same bitrate.

IE

  1. 5.5
  2. 6
  3. 7
  4. 8
  5. 9
  6. 10
  7. 11

Firefox

  1. 2
  2. 3
  3. 3.5
  4. 3.6
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
  16. 15
  17. 16
  18. 17
  19. 18
  20. 19
  21. 20
  22. 21
  23. 22
  24. 23
  25. 24
  26. 25
  27. 26
  28. 27
  29. 28
  30. 29
  31. 30
  32. 31
  33. 32
  34. 33
  35. 34

Chrome

  1. 4
  2. 5
  3. 6
  4. 7
  5. 8
  6. 9
  7. 10
  8. 11
  9. 12
  10. 13
  11. 14
  12. 15
  13. 16
  14. 17
  15. 18
  16. 19
  17. 20
  18. 21
  19. 22
  20. 23
  21. 24
  22. 25
  23. 26
  24. 27
  25. 28
  26. 29
  27. 30
  28. 31
  29. 32
  30. 33
  31. 34
  32. 35
  33. 36
  34. 37
  35. 38
  36. 39

Safari

  1. 3.1
  2. 3.2
  3. 4
  4. 5
  5. 5.1
  6. 6
  7. 6.1
  8. 7
  9. 8

Opera

  1. 9
  2. 9.5-9.6
  3. 10.0-10.1
  4. 10.5
  5. 10.6
  6. 11
  7. 11.1
  8. 11.5
  9. 11.6
  10. 12
  11. 12.1
  12. 15
  13. 16
  14. 17
  15. 18
  16. 19
  17. 20
  18. 21
  19. 22
  20. 23
  21. 24
  22. 25

iOS Safari

  1. 3.2
  2. 4.0-4.1
  3. 4.2-4.3
  4. 5.0-5.1
  5. 6.0-6.1
  6. 7.0-7.1
  7. 8

Opera Mini

  1. 5.0-7.0

Android Browser

  1. 2.1
  2. 2.2
  3. 2.3
  4. 3
  5. 4
  6. 4.1
  7. 4.2-4.3
  8. 4.4
  9. 4.4.3

Blackberry Browser

  1. 7
  2. 10

Opera Mobile

  1. 10
  2. 11
  3. 11.1
  4. 11.5
  5. 12
  6. 12.1
  7. 22

Chrome for Android

  1. 36

Firefox for Android

  1. 31

IE Mobile

  1. 10

For Opera the Linux version may be able to play it when the GStreamer module is up to date and the served mime-type is 'audio/ogg'.

Resources:
Google's statement about the use of VP8 and Opus codec for WebRTC standard
Introduction of Opus by Mozilla

*Global usage share statistics based on data from StatCounter GlobalStats for July, 2014. See the browser usage table for usage by browser version.