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 - 112: Supported
  3. 113: Supported
  4. 114 - 116: Supported

Edge

  1. 12 - 13: Not supported
  2. 14 - 112: Supported
  3. 113: Supported

Safari

  1. 3.1 - 11: Not supported
  2. 11.1 - 16.4: Supported
  3. 16.5: Supported
  4. 16.6 - TP: Supported

Firefox

  1. 2 - 49: Not supported
  2. 50 - 112: Supported
  3. 113: Supported
  4. 114 - 115: Supported

Opera

  1. 9 - 16: Not supported
  2. 17 - 98: Supported
  3. 99: Supported

IE

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

Chrome for Android

  1. 113: Not supported

Safari on iOS

  1. 3.2 - 16.4: Not supported
  2. 16.5: Not supported

Samsung Internet

  1. 4 - 20: Not supported
  2. 21: Not supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 73: Not supported

UC Browser for Android

  1. 13.4: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 113: Not supported

Firefox for Android

  1. 113: Not supported

QQ Browser

  1. 13.1: Supported

Baidu Browser

  1. 13.18: 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