Extensions by Weekly Downloads

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FB Phishing Protector No Restart

Protects you from Phishing or Scams (through XSS injection attacks) while you're on Facebook™ - Version 4.2 introduces a Tracking Protection feature as well.

Rated 5 out of 5 stars (21)
3,851 weekly downloads

UnMHT No Restart

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Rated 5 out of 5 stars (201)
3,541 weekly downloads

ExHentai Easy 2 No Restart

When accessing exhentai.org the user is presented with a photo of a sad panda. Access to the site is restricted to users of the sister site http://forums.e-hentai.org whom must manually copy their IPB cookie. This plugin automates this process.

Rated 5 out of 5 stars (8)
3,286 weekly downloads

Skip adf.ly skip!! No Restart

This addon allows you to skip automatically advertising adf.ly.
Basically when the page loads the site adf.ly with various advertisements, the add-on does go directly to the site you want, but waiting a few seconds.
It is compatible with Android.

Rated 5 out of 5 stars (5)
3,201 weekly downloads

Custom User-Agent String No Restart

Set custom User-Agent string. Also available for Firefox on Android.

Rated 3 out of 5 stars (8)
3,174 weekly downloads

CookiesOK No Restart

CookiesOK aims to automatically accept cookies on websites that are affected by the recent (26-02-2011) EU cookie laws.

Rated 3 out of 5 stars (16)
2,994 weekly downloads

Free Memory No Restart

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

Rated 4 out of 5 stars (37)
2,952 weekly downloads

Tap Translate No Restart Featured

Adds a translate button to the long-tap menu.
Github: https://github.com/miraks/Tap-Translate

Rated 4 out of 5 stars (28)
2,605 weekly downloads

Remote XUL Manager No Restart

Manages the Remote XUL whitelist to allow websites and local files to load XUL content.

Rated 5 out of 5 stars (34)
2,421 weekly downloads

CleanQuit (Mobile) No Restart

Clean up the mess and quit! This extension brings back the good old quit button to life as well as the ability to clean what you wish at the same time.

Rated 4 out of 5 stars (34)
2,227 weekly downloads

about:addons-memory No Restart

Adds an about:addons-memory page that details add-on memory usage

Rated 5 out of 5 stars (80)
2,072 weekly downloads

Yahoo Mail Hide Ad Panel No Restart

Permanently hides the Ads panel on the right side of New Yahoo! Mail, the 'Sponsored' email at the Top, and ads on the Left to give you a full-width Premium email experience for free! The other option, of course is to pay $50 a year to Yahoo! Inc. :)

Rated 5 out of 5 stars (60)
2,020 weekly downloads

PDF Viewer No Restart

PDF.js brings Portable Document Format (PDF) reading capabilities to your browser using web standard technologies.

Please report issues to: https://github.com/mozilla/pdf.js/issues

Rated 4 out of 5 stars (262)
1,908 weekly downloads

I don't care about cookies No Restart

Get rid of annoying cookie warnings from tens of thousands of 'infected' websites!

Rated 4 out of 5 stars (20)
1,884 weekly downloads

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 (98)
1,837 weekly downloads

NO Google Analytics No Restart

Actively blocks Google Analytics from running on your Firefox, manually stopping the website you visit from tracking you!

Rated 4 out of 5 stars (16)
1,801 weekly downloads

Mobile Password Manager No Restart Featured

View and edit saved passwords on your phone, tablet or desktop.

Rated 4 out of 5 stars (29)
1,731 weekly downloads

Silent Block

Minimum and fast URL blocker by regular expression.

Rated 5 out of 5 stars (17)
1,650 weekly downloads

skyZIP™ acceleration and compression Proxy No Restart

skyZIP browser extension can reduce satellite data usage by using NYNEX proxy servers to optimize webpages. Data savings are at about 50%

Rated 4 out of 5 stars (7)
1,624 weekly downloads

Home Button for firefox on android No Restart

Adds Home Button for Firefox on android.

Rated 5 out of 5 stars (13)
1,434 weekly downloads