Container Tab Groups organizes Firefox tabs into Chrome-like groups using Firefox container tabs, which keep browsing contexts separated.
Extensions
The Firefox add-ons directory lists extensions for customizing browsing, including categories for bookmarks, downloads, feeds, games, and appearance.
About Extensions
The Firefox add-ons directory lists extensions for customizing browsing, including categories for bookmarks, downloads, feeds, games, and appearance.
Extensions is an app in our Firefox Extensions collection, part of the Software & Utilities directory.
People usually find Extensions when they’re looking for downloads.
Not quite what you need? Close alternatives include Container Tab Groups by Menhera.org , anosatsuk124, bookmark batch-updater by MrOtherGuy, and Ecosia — compare them below.
Extensions at a glance
- Category
- Software & Utilities › Firefox Extensions
- Type
- App
- Pricing
- Not confirmed. Check the site
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Extensions alternatives
Tools and sites you could use instead, ranked by how closely they match.
Bookmark Batch-Updater for Firefox can replace bookmark URLs or modify matching bookmark names in bulk.
The Ecosia Firefox extension sets Ecosia as the browser’s default search engine; the add-on is free to download.
Free
10 alternatives
Bookmark Search Plus 2 filters bookmarks by search text and shows their parent folders in a Firefox extension.
Sidebery manages Firefox tabs and bookmarks in a sidebar through a browser extension.
Open source
24 alternatives
FireMonkey combines user-script and user-style management in a Firefox extension, with a compatibility mode for scripts from other managers.
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Extensions FAQ
What is Extensions?
The Firefox add-ons directory lists extensions for customizing browsing, including categories for bookmarks, downloads, feeds, games, and appearance.
Is Extensions working?
addons.mozilla.org responded when checked on Oct 6, 2026. Its current availability has not been confirmed.
What are the best alternatives to Extensions?
Popular alternatives to Extensions include Container Tab Groups by Menhera.org , anosatsuk124, bookmark batch-updater by MrOtherGuy, Ecosia, and Bookmark Search Plus 2. We list 12+ options matched by topic, tags and features.
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