Can I use
?

FLAC audio format

- OTHER

Popular lossless audio compression format

Chrome

  1. ❌ 4 - 43: Not supported
  2. ﹖ 44 - 46: Support unknown
  3. ◐ 47 - 55: Partial support
  4. ✅ 56 - 134: Supported
  5. ✅ 135: Supported
  6. ✅ 136 - 138: Supported

Edge

  1. ❌ 12 - 15: Not supported
  2. ✅ 16 - 134: Supported
  3. ✅ 135: Supported

Safari

  1. ❌ 3.1 - 10.1: Not supported
  2. ◐ 11 - 12.1: Partial support
  3. ✅ 13 - 18.3: Supported
  4. ✅ 18.4: Supported
  5. ✅ 18.5 - TP: Supported

Firefox

  1. ❌ 2 - 50: Not supported
  2. ✅ 51 - 136: Supported
  3. ✅ 137: Supported
  4. ✅ 138 - 140: Supported

Opera

  1. ❌ 9 - 41: Not supported
  2. ✅ 42 - 116: Supported
  3. ✅ 117: Supported

IE

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

Chrome for Android

  1. ✅ 135: Supported

Safari on iOS

  1. ❌ 3.2 - 10.3: Not supported
  2. ✅ 11 - 18.3: Supported
  3. ✅ 18.4: Supported
  4. ✅ 18.5: Supported

Samsung Internet

  1. ✅ 4: Supported
  2. ✅ 5 - 26: Supported
  3. ✅ 27: Supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ﹖ 10 - 12: Support unknown
  2. ✅ 12.1: Supported
  3. ✅ 80: Supported

UC Browser for Android

  1. ✅ 15.5: Supported

Android Browser

  1. ❌ 2.1 - 2.3: Not supported
  2. ﹖ 3 - 4.4.4: Support unknown
  3. ✅ 135: Supported

Firefox for Android

  1. ✅ 137: Supported

QQ Browser

  1. ✅ 14.9: Supported

Baidu Browser

  1. ✅ 13.52: Supported

KaiOS Browser

  1. ❌ 2.5: Not supported
  2. ✅ 3: Supported

Support refers to this format's use in the audio element, not other conditions.

Resources:
Chrome support bug
Wikipedia