Symbaloo Bookmarker
Easily save the website you are visiting and organize all your bookmarks in a personalized and safe online environment
578 users
Update Bookmark
This add-on allows to replace or update an existing bookmark title and/or URL with a minimal click count..
564 users
Fast Tab Switcher
Fast Tab Switcher allows you to find and switch to any tab immediately. It is very useful if you have multiple windows and/or lots of tabs opened. Just press Ctrl+Space!
550 users
Unofficial Hypothesis extension
An unofficial extension to collaboratively annotate the web using Hypothesis.
527 users
Tab Grouper - Group Every Open Tabs
Create and manage tab groups for better browsing and research.
525 users
Clipboard History IO
The most secure way to effortlessly access, track, and manage your clipboard history.
502 users
Selenium IDE
Selenium Record and Playback tool for ease of getting acquainted with Selenium WebDriver.
493 users
View Pocket List
This add-on adds a Pocket icon to the Firefox toolbar that opens your Pocket list in a new tab. This add-on has not been made by Mozilla, but by a fan of Pocket who is looking to have easy access to saved articles.
493 users
Launch Gmail
Gmail toolbar button:- - Opens Gmail in a new tab (https://mail.google.com) - Neat icon
488 users
Internet Archive 2026: World's Largest Web Library
Set the Internet Archive as your default search engine to explore 1 trillion+ archived webpages. Use the Wayback Machine for total digital preservation and web history discovery through 2026. Access the world’s oldest, most famous web library.
487 users
Save-To-Read
Add-on for quick bookmarking. Allows to add or remove links in one click to read it later.
484 users
TagSpaces Web Clipper
Save web pages or selected content as local files in Markdown, HTML, or PDF — ready for offline reading or organizing with TagSpaces and other apps. Clip articles, take full-page screenshots, create visual bookmarks, and tag your files on save.
483 users
Bookmark Icons Loader
A Firefox extension that loads all websites in your bookmarks (including nested folders) to ensure their favicons are properly cached by the browser.
466 users
Bookmarks Folders Locker/Blocker
Make your bookmarks private! Lock/Block your bookmarks folders (hide the bookmarks inside) with a password (each folder can have a different password), the bookmarks will be encrypted and only you will be able to unlock/unblock them.
462 users
