Top-Rated Extensions


PageTweak - Ad Blocker, Video Downloader, Translator...

The Ultimate Webpage Enhancer! Instantly add many tweaks to any webpage including: Ad block, flash block, video download, remove delays, tooltip translation, link checker, rounded corners, auto pagerize, and more. A must have for all web users.

Rated 3 out of 5 stars (23)
3,801 users

Instagram Video Download

Download videos from Instagram (and as plus, easily save photos).

Rated 4 out of 5 stars (10)
10,409 users

log2stas LiveJournal Add-on Requires Restart

a) Auto-expand comments threads b) Copy a fragment of text or link to a picture to LJ editor from other pages. c) Simplify use of lj-cut d) Allow quickly switch between anonymous and normal browsing.

Rated 4 out of 5 stars (6)
242 users

Cycle Collector Analyzer, about:ccdump

Display the graph created by cycle collector. Open "about:ccdump" page after the installation.

Rated 4 out of 5 stars (6)
253 users

Find Image Copies Requires Restart

The Find Image Copies Firefox extension helps you quickly find image copies. Search for image copies straight from the right-click menu in any website.

Rated 5 out of 5 stars (2)
544 users

Stylish Tools Requires Restart

Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey

Rated 4 out of 5 stars (3)
1,408 users

Add-on Preferences Button

Displays a menu that allows you to open the option/preference window for any add-on that has one.

Rated 5 out of 5 stars (2)
394 users

CensureBlock Requires Restart

This addon blocks sites containing pornographic materials.

Rated 3 out of 5 stars (76)
62,188 users

Easiest YouTube Video Downloader

This Addon simply adds a dropdown button that lets you download YouTube Videos in various Formats. Download YouTube Videos in FLV, 3GP, MP3, MP4, 720p, 1080p in a single click.

Rated 3 out of 5 stars (35)
37,230 users

Video Mouse Wheel

Use wheel mouse on videos to control video/audio/quality.
Choose flash/HTML5 on YouTube, autopause on background tabs, embedded videos.
And much more!

Rated 4 out of 5 stars (7)
303 users

1-click Online Document View Requires Restart

Open DOC, DOCX, PDF, PPT, PPTX and TIFF files linked in any webpage directly with Google Docs viewer using "1-click Online Document View", with a single left-click of your mouse / trackpad!!

Rated 4 out of 5 stars (5)
1,994 users


This add-on provides quick access to Alexa's Top Sites.

Rated 4 out of 5 stars (3)
1,515 users

Safe for Amoled

Darkens the background of the page

Rated 3 out of 5 stars (20)
1,933 users

Vine Video Download

Download videos from Twitter's short video app.

Rated 4 out of 5 stars (4)
4,950 users

MR Tech About:About Requires Restart

Adds the following "about:" options to the Help menu

Rated 3 out of 5 stars (7)
116 users

ConfigDate Requires Restart

ConfigDate allows to configure the "Date" column in message threadpane. When displaying the message header, it is possible to display the (default) formated date or the senders local sent time (Date-String).

Rated 3 out of 5 stars (25)
9,954 users

Stop Tube HTML5

Stops autoplay of YouTube HTML5 videos (WebM). It is Flash-Block equivalent for HTML5 videos.

Rated 3 out of 5 stars (66)
6,869 users

Hide Fullscreen Alert

Hide Fullscreen Alert

Rated 4 out of 5 stars (6)
720 users

RequestPolicy Continued

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Rated 4 out of 5 stars (6)
8,301 users

Vagex Firefox Add-on Requires Restart

View interesting YouTube videos whilst increasing your own viewership at the same time. The app will automatically view other member's YouTube videos in a playlist fashion.
Membership is free, simply run the Viewer and collect credits!

Rated 3 out of 5 stars (7)
4,472 users