Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseMost Popular All »
- 1. Adblock Plus 14,030,231 users
- 2. uBlock Origin 3,881,108 users
- 3. Video DownloadHelper 3,662,790 users
- 4. Easy Screenshot 2,115,416 users
- 5. NoScript Security Suite 1,722,323 users
- 6. Cisco WebEx Extension 1,012,600 users
- 7. Ghostery 972,110 users
- 8. DownThemAll! 922,162 users
- 9. Greasemonkey 854,958 users
- 10. Flash Video Downloader - YouTube HD Download [4K] 734,021 users
Featured Extensions See all »
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Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!2,552 users -
Take tabs from a parent window and arrange them in a layout of tiled sub-windows, using the toolbar button, context menu or keyboard shortcuts. Makes it easy to browse, compare or monitor multiple pages. Synchronize scroll. Save and re-open layouts.18,366 users -
Use LessPass add-on to generate complex passwords and log in automatically to all your sites3,554 users -
Capture, Reverse Image Search is a powerful capturing reverse image search tool built on top of TinEye engine.9,680 users -
a customizable extension to save the images from the current tab page4,295 users -
Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.61,270 users
Up & Coming Extensions See all »
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#1 Firefox add-on to block annoying popups, popunders & overlays in an easy & effective way. Browse without interference on all sites.7,453 users -
WebExtension ready adblocker based on the GPLv3-licensed codebase of Adblock Plus.1,491 users -
Pouch automatically finds the best voucher codes, coupons, discounts, deals and promo codes as you shop online.928 users
Featured Themes See all »
Featured Collections See all »
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Password Managers
Enjoy better security and more convenience with an excellent password manager.
6 add-ons · 310 followers -
Bookmark Managers
Customize and re-organize the way you manage your bookmarks.
8 add-ons · 200 followers -
Dynamic Media Downloaders
There are better ways to download video, images & more.
9 add-ons · 81 followers
To create your own collections, you must have a Mozilla Add-ons account.
