Can I use
?

Directory selection from file input

- UNOFF

The webkitdirectory attribute on the <input type="file"> element allows entire directory with file contents (and any subdirectories) to be selected.

Chrome

  1. 4 - 29: Not supported
  2. 30 - 122: Supported
  3. 123: Supported
  4. 124 - 126: Supported

Edge

  1. 12 - 13: Not supported
  2. 14 - 122: Supported
  3. 123: Supported

Safari

  1. 3.1 - 11: Not supported
  2. 11.1 - 17.3: Supported
  3. 17.4: Supported
  4. 17.5 - TP: Supported

Firefox

  1. 2 - 49: Not supported
  2. 50 - 123: Supported
  3. 124: Supported
  4. 125 - 127: Supported

Opera

  1. 9 - 16: Not supported
  2. 17 - 108: Supported
  3. 109: Supported

IE

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

Chrome for Android

  1. 123: Not supported

Safari on iOS

  1. 3.2 - 17.3: Not supported
  2. 17.4: Not supported
  3. 17.5: Not supported

Samsung Internet

  1. 4 - 23: Not supported
  2. 24: 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. 123: Not supported

Firefox for Android

  1. 124: Not supported

QQ Browser

  1. 14.9: Supported

Baidu Browser

  1. 13.52: Not supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Not supported

Lack of support in mobile browsers may be due to the OS file picker not having support for selecting a directory.

Resources:
MDN article