File System Access API
- UNOFFAPI for manipulating files in the device's local file system (not in a sandbox).
Chrome
- ❌ 4 - 73: Not supported
- ❌ 74 - 85: Disabled by default
- ◐ 86 - 104: Partial support
- ✅ 105 - 153: Supported
- ✅ 154: Supported
- ✅ 155 - 157: Supported
Edge
- ❌ 12 - 18: Not supported
- ❌ 79 - 85: Disabled by default
- ◐ 86 - 104: Partial support
- ✅ 105 - 153: Supported
- ✅ 154: Supported
Safari
- ❌ 3.1 - 26.6: Not supported
- ❌ 27: Not supported
- ❌ 27.1 - TP: Not supported
Firefox
- ❌ 2 - 156: Not supported
- ❌ 157: Not supported
- ❌ 158 - 160: Not supported
Opera
- ❌ 9 - 60: Not supported
- ❌ 62 - 71: Disabled by default
- ◐ 72 - 90: Partial support
- ✅ 91 - 134: Supported
- ✅ 135: Supported
IE
- ❌ 5.5 - 10: Not supported
- ❌ 11: Not supported
Chrome for Android
- ❌ 154: Not supported
Safari on iOS
- ❌ 3.2 - 26.6: Not supported
- ❌ 27.0: Not supported
- ❌ 27.1 - 27.2: Not supported
Samsung Internet
- ❌ 4 - 29: Not supported
- ❌ 30: 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
- ❌ 154: Not supported
Firefox for Android
- ❌ 157: Not supported
QQ Browser
- ❌ 14.9: Not supported
Baidu Browser
- ❌ 13.52: Not supported
KaiOS Browser
- ❌ 2.5: Not supported
- ❌ 3: Not supported