Extensions by Weekly Downloads

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BlockSite

BlockSite is an extension, which automagically blocks websites of your choice. Additionally, this extension will disable all hyperlinks to these websites, by just displaying the link text without the clicking functionality.

Rated 3 out of 5 stars (534)
5,333 weekly downloads

Xmarks Sync

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!

Rated 4 out of 5 stars (2,556)
5,292 weekly downloads

Turbo Download Manager No Restart

a download manager with multi-threading support

Rated 4 out of 5 stars (21)
5,239 weekly downloads

Disable WebRTC No Restart

WebRTC leaks your actual IP addresses from behind your VPN, by default.

Rated 5 out of 5 stars (27)
5,038 weekly downloads

Download Status Bar No Restart Featured

If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.

Rated 5 out of 5 stars (356)
5,001 weekly downloads

Selenium IDE Button

Just one simple toolbar button to open Selenium IDE. You need to have installed Selenium IDE: http://seleniumhq.org/projects/ide/

Rated 5 out of 5 stars (8)
4,914 weekly downloads

Adblock Edge No Restart

Adblock Edge is a fork of the Adblock Plus version 2.1.2 extension for blocking advertisements on the web, without sponsored ads whitelist.

**This addon has been discontinued**

Rated 5 out of 5 stars (307)
4,904 weekly downloads

xThunder

Manage popular downloaders (Windows, Linux, Mac) and support special links of thunder,flashget,qqdl,ed2k,magnet,fs2you.

Rated 5 out of 5 stars (82)
4,902 weekly downloads

Fasterfox

The One; The Original Fasterfox Gives performance & network tweaks for Firefox. Fasterfox makes your browsing so much faster!
Make your Sites Faster than a Fox with Fasterfox for FireFox!

Rated 4 out of 5 stars (94)
4,858 weekly downloads

SQLite Manager

Manage any SQLite database on your computer.

Rated 5 out of 5 stars (51)
4,806 weekly downloads

Reload Plus No Restart Featured

Supercharge your reload button and hotkeys!

Rated 5 out of 5 stars (80)
4,701 weekly downloads

Privacy Badger No Restart

Protects your privacy by blocking spying ads and invisible trackers. Warning: This add-on is in alpha, so you may find some bugs! Read more: https://www.eff.org/privacybadger

Rated 4 out of 5 stars (101)
4,658 weekly downloads

FireGestures Featured

A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.

Rated 4 out of 5 stars (924)
4,635 weekly downloads

Self-Destructing Cookies No Restart Featured

Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.

Rated 4 out of 5 stars (501)
4,605 weekly downloads

ColorfulTabs Featured

The first addon you should be installing on a fresh Firefox install. A must have. The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color.

Rated 4 out of 5 stars (1,005)
4,597 weekly downloads

Download YouTube Videos, Easy,Fast And Simple No Restart

Download YouTube Videos, Easy,Fast And Simple. Or you can visit http://dfromyoutube.com

Rated 3 out of 5 stars (15)
4,429 weekly downloads

Speed Dial

Direct access to your most visited websites

Rated 4 out of 5 stars (1,273)
4,419 weekly downloads

BetterPrivacy-signed

Remove or manage a new and uncommon kind of cookies, better known as LSO's.The BetterPrivacy safeguard offers various ways to handle Flash-cookies set by Google, YouTube, Ebay and others...

Rated 5 out of 5 stars (476)
4,292 weekly downloads

AutoProxy

Are you concerned about your privacy? Or, are you blocked from some websites by a firewall? And, are you arming yourself with a proxy? In that case, AutoProxy is designed for you! A tool to help you use your proxy automatically & efficiently.

Rated 4 out of 5 stars (417)
4,235 weekly downloads

Nimbus Screen Capture - editable screenshots No Restart Featured

1) Screen capture web pages.
2) Selected regions.
3) Whole browser windows.
Edit screenshots and save the images to either local file or Google Drive. Annotate screenshots in a very user-friendly interface with different tools. Upload and share!

Rated 5 out of 5 stars (257)
4,139 weekly downloads