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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 (375)
358,125 users

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 (213)
224,184 users

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 (287)
112,418 users

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 (241)
48,412 users

about:addons-memory

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

Rated 4 out of 5 stars (123)
29,810 users

AdBlocker for Gmail™

Removes all annoying Ads and Banners from Gmail

Rated 5 out of 5 stars (2)
24,520 users

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 (24)
21,102 users

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 1 out of 5 stars (16)
16,240 users

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 (39)
13,884 users

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 (20)
7,902 users

Silent Block

Minimum and fast URL blocker.

Rated 5 out of 5 stars (16)
7,377 users

Instant Translate: Select and Translate

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

Rated 4 out of 5 stars (26)
6,738 users

RememberPass

RememberPass is a Firefox/Firefox Mobile Addon to force browser to remember password even website disable it by default. It's done by set autocomplete to "on" where it's off.
Here is: Test Page

Rated 3 out of 5 stars (22)
6,231 users

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)
5,421 users

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 (8)
4,121 users

mozCleaner

Cleans your Firefox, Thunderbird, SeaMonkey, Fennec (unstable), Instantbird and BlueGriffon.

Rated 2 out of 5 stars (6)
1,779 users

Google Search Link Fix for Mobile and Desktop

Fix the Google Search result links.

Rated 5 out of 5 stars (11)
1,579 users

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 (21)
1,490 users

YouTube Object2iframe

This addon converts old-style flash embeds into new-style iframe embeds. This allows for HTML5 playback without flash.

Rated 5 out of 5 stars (2)
1,420 users

Mobile Image Blocker

Blocks images from web pages on your mobile device

Rated 4 out of 5 stars (11)
1,358 users