OffscreenCanvas

- LS

OffscreenCanvas allows canvas drawing to occur with no connection to the DOM and can be used inside workers.

Chrome

  1. 4 - 57: Not supported
  2. 58 - 68: Disabled by default
  3. 69 - 121: Supported
  4. 122: Supported
  5. 123 - 125: Supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 120: Supported
  3. 121: Supported

Safari

  1. 3.1 - 16.1: Not supported
  2. 16.2 - 16.6: Partial support
  3. 17.0 - 17.2: Supported
  4. 17.3: Supported
  5. 17.4 - TP: Supported

Firefox

  1. 2 - 43: Not supported
  2. 44 - 104: Disabled by default
  3. 105 - 122: Supported
  4. 123: Supported
  5. 124 - 126: Supported

Opera

  1. 9 - 44: Not supported
  2. 45 - 63: Disabled by default
  3. 64 - 105: Supported
  4. 106: Supported

IE

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

Chrome for Android

  1. 121: Supported

Safari on iOS

  1. 3.2 - 16.1: Not supported
  2. 16.2 - 16.7: Partial support
  3. 17.0 - 17.2: Supported
  4. 17.3: Supported
  5. 17.4: Supported

Samsung Internet

  1. 4 - 9.2: Not supported
  2. 10.1 - 22: Supported
  3. 23: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

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

UC Browser for Android

  1. 15.5: Supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 121: Supported

Firefox for Android

  1. 122: Supported

QQ Browser

  1. 13.1: Supported

Baidu Browser

  1. 13.18: Supported

KaiOS Browser

  1. 2.5: Disabled by default
  2. 3: Disabled by default
Resources:
Making the whole web better, one canvas at a time. - Article about canvas performance
WebKit support bug
Firefox support bug
MDN article
WebGL off the main thread - Mozilla Hacks article