FIDO U2F API
- UNOFFJavaScript API to interact with Universal Second Factor (U2F) devices. This allows users to log into sites more securely using two-factor authentication with a USB dongle.
Chrome
- ❌ 4 - 37: Not supported
- ❌ 38 - 40: Not supported
- ✅ 41 - 97: Supported
- ❌ 98 - 105: Disabled by default
- ❌ 106 - 142: Not supported
- ❌ 143: Not supported
- ❌ 144 - 146: Not supported
Edge
- ❌ 12 - 18: Not supported
- ✅ 79 - 105: Supported
- ❌ 106 - 142: Not supported
- ❌ 143: Not supported
Safari
- ❌ 3.1 - 12.1: Not supported
- ✅ 13 - 26.1: Supported
- ✅ 26.2: Supported
- ✅ TP: Supported
Firefox
- ❌ 2 - 46: Not supported
- ❌ 47 - 66: Disabled by default
- ✅ 67 - 111: Supported
- ❌ 112 - 113: Disabled by default
- ❌ 114 - 145: Not supported
- ❌ 146: Not supported
- ❌ 147 - 149: Not supported
Opera
- ❌ 9 - 39: Not supported
- ✅ 40: Supported
- ❌ 41: Not supported
- ✅ 42 - 124: Supported
- ✅ 125: Supported
IE
- ❌ 5.5 - 10: Not supported
- ❌ 11: Not supported
Chrome for Android
- ❌ 143: Not supported
Safari on iOS
- ❌ 3.2 - 13.2: Not supported
- ✅ 13.3 - 18.7: Supported
- ✅ 26.0: Supported
- ✅ 26.1: Supported
Samsung Internet
- ❌ 4 - 28: Not supported
- ❌ 29: Not supported
Opera Mini
- ❌ all: Not supported
Opera Mobile
- ❌ 10 - 12.1: Not supported
- ❌ 80: Not supported
UC Browser for Android
- ❌ 15.5: Not supported
Android Browser
- ❌ 2.1 - 4.4.4: Not supported
- ❌ 143: Not supported
Firefox for Android
- ✅ 146: Supported
QQ Browser
- ❌ 14.9: Not supported
Baidu Browser
- ❌ 13.52: Not supported
KaiOS Browser
- ❌ 2.5: Disabled by default
- ✅ 3: Supported
The U2F API is being decommissioned (only the API, not the U2F protocol) and superseded by WebAuthn.