Featured Extensions

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NoScript Security Suite Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,483)
2,140,547 users

Tab notifier Featured

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!

Rated 4 out of 5 stars (37)
6,287 users

Save Text To File No Restart Featured

Saves highlighted text to a file in the specified directory

Rated 5 out of 5 stars (89)
28,153 users

FindBar Tweak No Restart Featured

Between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, it has everything to make the Find Toolbar a powerful and accessible research tool!

Rated 5 out of 5 stars (227)
27,280 users

YouTube Unblocker Featured

Watch blocked YouTube videos – YouTube proxy-server, only if needed!

✓ free unblocking of YouTube videos /-search
✓ unblock embedded videos (e.g. Facebook)
✓ unblocking via proxy (no VPN)
✓ fast unblocking + fast streaming (HD)
✓ totally legal

Rated 4 out of 5 stars (120)
248,424 users

NoSquint Featured

NoSquint allows you to adjust the text-only and full-page (both text and images) zoom levels as well as color settings both globally (for all sites) and per site.

Rated 5 out of 5 stars (448)
319,745 users

Mozilla Archive Format, with MHT and Faithful Save Featured

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

Rated 4 out of 5 stars (251)
175,270 users

LastPass Password Manager Featured

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Rated 4 out of 5 stars (1,207)
328,630 users

URL Fixer No Restart Featured

URL Fixer fixes common typos in URLs entered in the address bar. It will fix errors like "google.con" or "youtube,com". You have the option of being asked to confirm corrections before they are applied.

Rated 4 out of 5 stars (100)
20,151 users

FireSSH Featured

FireSSH is a free, cross-platform SSH terminal client for Mozilla Firefox. Written entirely in Javascript!

Rated 4 out of 5 stars (83)
29,344 users

Session Manager No Restart Featured

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Rated 4 out of 5 stars (549)
277,075 users

Classic Retweet No Restart Featured

Old school retweets for Twitter.

Rated 4 out of 5 stars (25)
3,219 users

Clear Console Featured

One click to clear your cache, cookies, history, html5/local storage, http logins, all of them or restart your browser with/without notifications.

Rated 4 out of 5 stars (59)
33,819 users

Font Finder Featured

FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

Rated 4 out of 5 stars (65)
32,822 users

User Agent Switcher Featured

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Rated 4 out of 5 stars (245)
384,944 users

Slim Add-ons Manager No Restart Featured

The Add-ons Manager slims down!
This add-on reduces the height of entries in the Add-on Manager, so you can display more of them at a time.

Rated 5 out of 5 stars (44)
11,580 users

Ghostery No Restart Featured

Protect your privacy. See who's tracking your web browsing and block them with Ghostery.

Rated 5 out of 5 stars (1,155)
1,429,140 users

BugMeNot No Restart Featured

Bypass compulsory web registration with the context menu via www.bugmenot.com.

Rated 4 out of 5 stars (223)
41,735 users

Stratiform Featured

Stratiform is the ultimate user friendly customization add-on for Firefox. It puts the power in the average user's hands to customize the browser's look.

Rated 5 out of 5 stars (177)
14,357 users

Free Memory No Restart Featured

An add-on to perform free-memory operations without visiting about:memory.

Rated 4 out of 5 stars (40)
26,380 users