Web Serial API

- UNOFF

Allows communication with devices via a serial interface.

Chrome

  1. ❌ 4 - 77: Not supported
  2. ❌ 78 - 88: Disabled by default
  3. ✅ 89 - 153: Supported
  4. ✅ 154: Supported
  5. ✅ 155 - 157: Supported

Edge

  1. ❌ 12 - 18: Not supported
  2. ❌ 79 - 88: Disabled by default
  3. ✅ 89 - 151: Supported
  4. ✅ 152: Supported

Safari

  1. ❌ 3.1 - 26.6: Not supported
  2. ❌ 27: Not supported
  3. ❌ 27.1 - TP: Not supported

Firefox

  1. ❌ 2 - 150: Not supported
  2. ✅ 151 - 155: Supported
  3. ✅ 156: Supported
  4. ✅ 157 - 159: Supported

Opera

  1. ❌ 9 - 64: Not supported
  2. ❌ 65 - 75: Disabled by default
  3. ✅ 76 - 134: Supported
  4. ✅ 135: Supported

IE

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

Chrome for Android

  1. ✅ 152: Supported

Safari on iOS

  1. ❌ 3.2 - 26.6: Not supported
  2. ❌ 27.0: Not supported
  3. ❌ 27.1 - 27.2: Not supported

Samsung Internet

  1. ❌ 4 - 29: Not supported
  2. ❌ 30: Not supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10 - 12.1: Not supported
  2. ❌ 80: Not supported

UC Browser for Android

  1. ❌ 15.5: Not supported

Android Browser

  1. ❌ 2.1 - 4.4.4: Not supported
  2. ❌ 152: Not supported

Firefox for Android

  1. ❌ 156: Not supported

QQ Browser

  1. ❌ 14.9: Not supported

Baidu Browser

  1. ❌ 13.52: Not supported

KaiOS Browser

  1. ❌ 2.5: Not supported
  2. ❌ 3: Not supported
Resources:
Explainer
Mozilla position: neutral
Read from and write to a serial port
WebKit position: opposed