Most Popular Extensions
BlockSite Requires Restart
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.
SQLite Manager Requires Restart
Manage any SQLite database on your computer.
xThunder Requires Restart
Manage popular downloaders (Windows, Linux, Mac) and support special links of thunder,flashget,qqdl,ed2k,magnet,fs2you.
Self-Destructing Cookies 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.
Public Fox Requires Restart Featured
Block downloads, lock down bookmarks/addons/downloads with a password.
NoSquint Requires Restart
NoSquint is no longer maintained. :(
IE Tab Requires Restart
IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...
All-in-One Sidebar Requires Restart
AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.
NOTE: Users should be aware that this add-on represents an older fork. The original developer of uBlock is continuing to actively develop the newer fork uBlock Origin.
Protect your Passwords, Payments, and Privacy.
Quick Locale Switcher Requires Restart
Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.
Speed Dial [FVD] - New Tab Page, Sync... Requires Restart
FVD Speed Dial - Speed dial button, online synchronization, new tab start page, bookmark organization, custom backgrounds, custom dials, groups, mobile apps, most-visited dials.
Mozilla Archive Format, with MHT and Faithful Save Requires Restart 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!
RightToClick Requires Restart
ReloadEvery Requires Restart
Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)
RESTClient, a debugger for RESTful web services. Requires Restart
Notice: some important features (XML indentation and load old saved requests) are missing in version 2.0.0, please update to version 2.0.1.
Please follow the link ("View other versions") below To install version 2.0.1.
ScrapBook Requires Restart
Helps you to save Web pages and organize the collection.
This extension allows Adobe installers to detect McAfee Security Scan Plus software is installed on your PC.
Encrypts traffic and unlocks sites.
Facebook closed by an overzealous sysadmin? Browsec to the rescue!
Browsec encrypts your traffic and routes it through our secure cloud. No one will be able to identify, track you or sniff your traffic.