External Media module for Drupal 8 and 9 is a successor of the File Chooser Field module that was bulit for Drupal 7. The same functionality was implemented for Wordpress too. The module provides custom form element.

The new form element would allow you to add external services such as Google Drive, Dropbox, Box, OneDrive, AWS, Unsplash, Instagram, Pixabay, Pexels and other services, in addition to regular file choose field.