Most Popular Extensions

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Awesome Screenshot Plus - Capture, Annotate & More No Restart

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!

Rated 4 out of 5 stars (1,086)
190,384 users

ZenMate Security & Privacy VPN No Restart Featured

Unblock the web and change your IP with 4 locations across the globe. ZenMate secures your browsing with encryption - protecting you from hackers, snoopers and data thieves who prey on unsecure connections.

Rated 4 out of 5 stars (124)
185,792 users

SaveFrom.net helper all-in-1 / youtube downloader No Restart

SaveFrom.net helper will enable you to download files from YouTube.com, FaceBook.com, Vimeo.com, Daylimotion.com, VK.com, Odnoklassnoki.ru, Soundcloud.com and more than 40 other just in one click.

Rated 4 out of 5 stars (194)
185,712 users

RightToClick Featured

Stops javascript annoyances such as forbidden right click, forbidden text selection or cascading dialog boxes.

Rated 5 out of 5 stars (138)
182,174 users

xThunder

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

Rated 5 out of 5 stars (81)
177,379 users

Password Exporter No Restart

This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.

Rated 4 out of 5 stars (319)
177,242 users

Mozilla Archive Format, with MHT and Faithful Save 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!

Rated 4 out of 5 stars (257)
175,328 users

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 (420)
170,748 users

Speed Dial [FVD] - New Tab Page, Sync... Featured

FVD Speed Dial - Speed dial button, Online Synchronization, New Tab Start Page, Organize bookmarks, Custom backgrounds, custom dials, organized groups, most visited dials.

Rated 5 out of 5 stars (1,681)
169,779 users

ReloadEvery

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)

Rated 4 out of 5 stars (671)
169,509 users

Live HTTP Headers

View HTTP headers of a page and while browsing.

Rated 4 out of 5 stars (156)
166,661 users

Image Zoom

Adds zoom and rotation functionality for images...

Rated 4 out of 5 stars (330)
166,296 users

Amazon "Add to Wish List" Button

Official Amazon Add-on. Add anything from any website to your Amazon Wish List.

(**NEW** now functions for all Amazon retail sites (amazon.com, amazon.co.uk, amazon.de, amazon.it, amazon.fr, amazon.co.jp. amazon.cn, and amazon.ca.)

Rated 4 out of 5 stars (45)
164,810 users

ScrapBook

Helps you to save Web pages and organize the collection.

Rated 4 out of 5 stars (848)
161,582 users

Youtube Downloader 4K - Video Downloader

Download from YouTube 4K videos and thousands other video websites.

Rated 3 out of 5 stars (16)
158,337 users

Text Link

Allows URI texts written in webpages to be loaded by double clicks.

Rated 4 out of 5 stars (289)
156,499 users

Belgium eID

Use the Belgian electronic identity card (eID) in Firefox

Rated 3 out of 5 stars (83)
155,573 users

Tab Scope Featured

Preview and navigate tab contents through popup.

Rated 4 out of 5 stars (453)
155,465 users

Quick Locale Switcher

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

Rated 3 out of 5 stars (82)
152,834 users

DuckDuckGo Plus No Restart Featured

DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension makes DuckDuckGo available in the address bar, search bar and right-click menu. Also adds a handy toolbar button with more features!

Rated 4 out of 5 stars (137)
150,547 users