Top-Rated Extensions

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dlTracker Requires Restart

Tracks downloads and warns you if already downloaded at sometime somewhere

Rated 4 out of 5 stars (2)
23 users

SelBlocks (for Selenium IDE) Requires Restart

This is a language extension for Selenium IDE that provides javascript-like conditionals, looping, callable functions, error catching, and JSON/XML driven parametrization.

Rated 4 out of 5 stars (2)
6,629 users

Scroll Position Highlight

Highlights previous scroll position

Rated 4 out of 5 stars (2)
45 users

Sp. Timer Requires Restart

application extension for tracking time elapsed

Rated 4 out of 5 stars (2)
925 users

Firefox Guide Study 1

Firefox Guide recommends Firefox features that are likely to benefit you. This experimental add-on is part of a Mozilla study to improve Firefox user experience.

Rated 4 out of 5 stars (2)
6 users

Professor X Requires Restart

The Professor X Extension let's you see inside a page's head without viewing the sourcecode...

Rated 4 out of 5 stars (2)
151 users

Tabs Features in one button

Recent close tab button, all tabs list, recent close tabs list in one button. Plus extra features options.

Rated 4 out of 5 stars (2)
45 users

PopUp LogOut Requires Restart

PopUp LogOut unhides the logout button and helps you to close your session when you've finished using a web. So you can prevent possible theft or misuses of your identity.

Rated 4 out of 5 stars (2)
332 users

SimSimi for Firefox

SimSimi is super-advanced chatting robot.

Rated 4 out of 5 stars (2)
37 users

Premium downloader for Alldebrid Requires Restart

Makes easier to download files from hoster services using Alldebrid multi-host provider.

Rated 4 out of 5 stars (2)
347 users

Savedeo video downloader

Downloading videos from popular sites (e.g. YouTube, Vimeo, etc).

Rated 3 out of 5 stars (15)
7,971 users

AutoCopyAndOpen Requires Restart

This add-on automatically copies to the clipboard the selected text and searches for http addresses. If found someone, opening in a new tab, or if adresses is more than one then added to the context-menu

Rated 4 out of 5 stars (2)
13 users

Just Save Compatible with Firefox 57+

A simple WebExtension for skipping the "Save As" dialog when saving images, pages and links.

Rated 4 out of 5 stars (2)
33 users

IP2Location IP Geolocation Plugin Requires Restart

Geolocation lookup for a website based on IP address, uses database provided by ip2location.com.

Rated 4 out of 5 stars (2)
340 users

BuiltWith Tab

An alternate BuiltWith add-on which shows info in a background browser tab.

Rated 4 out of 5 stars (2)
366 users

Video Speed Changer

This extension adds a ribbon on top of videos (works with youtube also) that allows users to change the playback speeds from 1x to 2.5x easily. This works for html 5 videos only, flash is not supported.

Rated 4 out of 5 stars (2)
245 users

BrandMyMail - Email Signatures for GMail and more Requires Restart

Brand your emails with your company look, dynamic signatures and email templates from your GMail. Embed signature, blog posts, Facebook and Twitter updates, pictures, videos and more in your emails!

Rated 4 out of 5 stars (2)
286 users

TweetTheme / Twitter Interactive Theme

With this theme, capture the feel of Twitter, plus enjoy latest tweets in the news ticker, your full Twitter stream in sidebar and quick sharing of any web page you visit

Rated 4 out of 5 stars (2)
1 user

Selenium IDE: PHP Formatters Requires Restart

PHP code formatters for Selenium IDE.
Created by Adam Goucher.

Rated 4 out of 5 stars (2)
4,526 users

FlexyTrello

Make Trello Lists Resizable

Rated 4 out of 5 stars (2)
71 users