Can I use
?

Custom protocol handling

- LS

Method of allowing a webpage to handle a given protocol using navigator.registerProtocolHandler. This allows certain URLs to be opened by a given web application, for example mailto: addresses can be opened by a webmail client.

Chrome

  1. 4 - 12: Not supported
  2. 13 - 123: Supported
  3. 124: Supported
  4. 125 - 127: Supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 122: Supported
  3. 123: Supported

Safari

  1. 3.1 - 17.3: Not supported
  2. 17.4: Not supported
  3. 17.5 - TP: Not supported

Firefox

  1. 2: Not supported
  2. 3 - 124: Supported
  3. 125: Supported
  4. 126 - 128: Supported

Opera

  1. 9 - 11.5: Not supported
  2. 11.6 - 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: Not supported

Baidu Browser

  1. 13.52: Not supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Not supported
Resources:
MDN Web Docs - Register protocol handler