Can I use
?

Picture-in-Picture

- UNOFF

Allows websites to create a floating video window that is always on top of other windows so that users may continue consuming media while they interact with other sites or applications on their device.

IE

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

Edge

  1. 12 - 18: Not supported
  2. 79 - 89: Supported
  3. 90: Supported

Firefox

  1. 2 - 66: Not supported
  2. 67: Disabled by default
  3. 68 - 70: Partial support
  4. 71: Partial support
  5. 72 - 87: Partial support
  6. 88: Partial support
  7. 89 - 90: Partial support

Chrome

  1. 4 - 68: Not supported
  2. 69: Disabled by default
  3. 70 - 89: Supported
  4. 90: Supported
  5. 91 - 93: Supported

Safari

  1. 3.1 - 9.1: Not supported
  2. 10 - 13: Partial support
  3. 13.1 - 14: Supported
  4. 14.1: Supported
  5. TP: Supported

Opera

  1. 9 - 36: Not supported
  2. 37 - 72: Partial support
  3. 73 - 74: Supported
  4. 75: Supported

Safari on iOS

  1. 3.2 - 8.4: Not supported
  2. 9 - 13.7: Partial support
  3. 14: Supported
  4. 14.5: Supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 90: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 62: Not supported

Chrome for Android

  1. 90: Partial support

Firefox for Android

  1. 87: Partial support

UC Browser for Android

  1. 12.12: Not supported

Samsung Internet

  1. 4 - 13.0: Not supported
  2. 14.0: Not supported

QQ Browser

  1. 10.4: Not supported

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

  1. 2.5: Not supported
Resources:
Opera equivalent Video Pop Out feature
Firefox implementation bug
Safari equivalent API
Implementation Status
Sample video