Web Browser Bookmarks/Passwords Nextcloud

Does Opendesktop.org have a service to be able to sign into Firefox or Chromium web browser to backup/sync bookmarks and passwords?

Same question is with me also. Would like to have the question for this. I am working on my technical blog in hindi https://technoupaaye.com/

Nextcloud has an app for Bookmark management and there are even iOS and Android apps that support this, so it should be possible but would have to be (wanted and) activated by the administrators.

Is this addition managed by the Nextcloud team or is it a 3rd party plugin?