Session Sync

Save sessions as bookmarks and access them across devices. Advanced Session Manager: edit, save, change, restore. It can also be your best Bookmark Manager

Session Sync: Advanced Firefox Session and Bookmark Manager

Session Sync is a powerful Firefox add-on that offers users advanced session and bookmark management capabilities. By saving your browsing sessions as bookmarks, it ensures your data will always be available, no matter what add-on you use in the future. With a rich user interface, you can easily create, restore, open, edit or delete sessions. The add-on also supports various shortcut keys and syncs with any bookmark synchronization service. It's more than just a session manager, it can function as your best Bookmark Manager, offering complex features like active session management, advanced bookmark management, session restore with lazy-loading, session auto-saving, session filtering, advanced drag-n-drop UI, and many other customizations.

Add-on stats

Manifest V2
Daily users: 8,219
24
Version: 3.1.12 (Last updated: 2019-09-03)
Version code: 4808415
Creation date: 2015-03-09
Weekly download count: 52
Firefox on Android: No
Permissions:
  • storage
  • bookmarks
  • tabs
  • clipboardWrite
  • unlimitedStorage
Size: 1.44M
URLs: Website
Full description: See detailed description

Other platforms

Not available on Chrome
Not available on Android
Not available on Edge

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Easy to use and simple interface
  • Works reliably over a long period
  • Useful for managing many open tabs and sessions
  • Syncs easily between devices using Mozilla Sync
  • Provides a convenient workaround for Firefox's tab syncing issues
Cons
  • Does not auto-save sessions as expected
  • Lacks functionality for closing current tabs or windows
  • High resource usage when autosave is enabled
  • No support for Firefox container tabs
  • Animations can be distracting and unneeded
Most mentioned
  • Autosave feature has issues and can be resource-heavy
  • Lacks tab deletion and search capabilities
  • Wish for Firefox container support
  • Useful for research and session management
  • Developer support and updates have been inconsistent
User reviews
Отличное и весьма удобное дополнение, поэтому здесь нечего добавить
by Doza_Vikadina, 2025-03-13


Has not saved a current session for years!!
by Firefox user 5974554, 2025-02-08
View all user reviews

Add-on safety

Risk impact

Session Sync requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of Session Sync. Use it at your own risk.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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