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AdBlocker Ultimate

Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!

Rated 5 out of 5 stars (809)
48,952 weekly downloads

Adguard AdBlocker

Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

Rated 5 out of 5 stars (254)
28,754 weekly downloads

Bluhell Firewall Featured

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Rated 5 out of 5 stars (308)
9,041 weekly downloads

Speed Tweaks (SpeedyFox)

This extension provides a list to almost all the settings that you may need to alter in order to enhance Firefox's speed.

Rated 4 out of 5 stars (35)
4,055 weekly downloads

Popup Blocker (strict)

Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address

Rated 4 out of 5 stars (6)
3,870 weekly downloads

I don't care about cookies

Get rid of annoying cookie warnings from almost all 'infected' websites!

Rated 4 out of 5 stars (76)
3,788 weekly downloads

Instant Translate: Select and Translate

Translation, text-to-speech, transliteration on pages and in the pop-up for 100+ languages.

Rated 3 out of 5 stars (40)
3,661 weekly downloads

ProCon Latte Content Filter

Block sites containing pornography, or any other kind of material, based on simple keyword lists.

Rated 4 out of 5 stars (247)
3,564 weekly downloads

YouTube use Flash Player

Force YouTube to use Flash player over the HTML5 player

Rated 4 out of 5 stars (4)
3,107 weekly downloads

Pdf Creator

Convert any webpage to a pdf quickly using pdfmage.org service

Please see https://addons.mozilla.org/en-US/firefox/addon/webpage-to-pdf/privacy/ for tracking information related to this addon

Rated 3 out of 5 stars (9)
2,019 weekly downloads

Skip adf.ly skip!!

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 (24)
1,805 weekly downloads

Block Site

Easily block websites of your choice!

Rated 5 out of 5 stars (1)
1,538 weekly downloads

Google DataSaver proxy for Firefox

Google data compression proxy for Firefox-enables the DataSaver feature for Firefox
Slow Internet/Limited Data Plan ?? Try our Addon to experience faster browsing.
Read more About our Addon at our home page http://www.advancedbytes.in

Rated 4 out of 5 stars (27)
1,233 weekly downloads

Toggle JavaScript Enabled

Toggle whether JavaScript is enabled globally or not. Adds a menu entry and an icon to the URL/title bar.

Rated 4 out of 5 stars (7)
1,145 weekly downloads

Porn Blocker

Protect your children and family blocking access to adult content websites, from erotic to pornograhpic videos and photos.

Rated 4 out of 5 stars (4)
1,116 weekly downloads

CleanQuit (Mobile)

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 (44)
1,070 weekly downloads

Smarter Scrolling Featured

Flick your finger quickly up or down to scroll right to the top or bottom of the page

Rated 5 out of 5 stars (13)
1,068 weekly downloads

about:addons-memory

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

Rated 4 out of 5 stars (125)
988 weekly downloads

AdBlocker for Gmail™

Removes all annoying Ads and Banners from Gmail

Rated 4 out of 5 stars (3)
904 weekly downloads

Cisco WebEx Extension

Join WebEx meetings using Firefox ™

Rated 1 out of 5 stars (1)
899 weekly downloads