There are so many out there, a few that I came across include:

Having a giant comparison table for this might be nice

  • BlizzardEnglish
    1·
    30 days ago

    Browsers also keep the bookmarks locally with an option to sync. You can export/import them too if needed. Sorry, still not seeing an added value of an external bookmark manager.

    Unless what you’re trying to say is that it backs up the websites themselves locally then… that’s at least interesting.