FileReader API

- WD

Method of reading the contents of a File or Blob object into memory

IE

  1. 5.5 - 9: Not supported
  2. 10: Partial support
  3. 11: Partial support

Edge

  1. 12 - 96: Supported
  2. 97: Supported

Firefox

  1. 2 - 3.5: Not supported
  2. 3.6 - 95: Supported
  3. 96: Supported
  4. 97 - 98: Supported

Chrome

  1. 4 - 5: Not supported
  2. 6 - 96: Supported
  3. 97: Supported
  4. 98 - 100: Supported

Safari

  1. 3.1 - 5.1: Not supported
  2. 6 - 15.1: Supported
  3. 15.2: Supported
  4. TP: Supported

Opera

  1. 9 - 11: Not supported
  2. 11.1 - 81: Supported
  3. 82: Supported

Safari on iOS

  1. 3.2 - 5.1: Not supported
  2. 6 - 15.1: Supported
  3. 15.2: Supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 2.3: Not supported
  2. 3 - 4.4.4: Supported
  3. 97: Supported

Opera Mobile

  1. 10 - 11: Not supported
  2. 11.1 - 12.1: Supported
  3. 64: Supported

Chrome for Android

  1. 97: Supported

Firefox for Android

  1. 95: Supported

UC Browser for Android

  1. 12.12: Supported

Samsung Internet

  1. 4 - 15.0: Supported
  2. 16.0: Supported

QQ Browser

  1. 10.4: Supported

Baidu Browser

  1. 7.12: Supported

KaiOS Browser

  1. 2.5: Supported
Resources:
MDN Web Docs - FileReader
WebPlatform Docs
Sub-features:
FileReaderSync