facebook twiter google+

by sloprlek

82 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,959 reviews

15,728,453 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 1,523 reviews

635,565 users

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,015 reviews

997,143 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

YouTube™ Video and Audio Downloader by InBasic, Alopepeo

Rated 4 out of 5 stars 385 reviews

612,763 users

Downloads YouTube videos in all available formats (FLV, MP4, WebM, and 3GP) with video quality of your choice. It also contains a pure JavaScript library to extract the ORIGINAL audio file embedded in video files.

1-Click YouTube Video Download by The 1-Click YouTube Video Download Team

Rated 4 out of 5 stars 500 reviews

523,316 users

The simplest YouTube Video Downloader for all YouTube Flash sites, period.

Stylish by userstyles.org

Rated 4 out of 5 stars 799 reviews

367,676 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

Google Translate, ImTranslator, Dictionary, TTS by Smart Link Corporation

Rated 4 out of 5 stars 431 reviews

267,495 users

COMPLETELY REDESIGNED TRANSLATOR FOR FIREFOX
ImTranslator translates text, words, webpages between more than 90 languages.
NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.

FoxyProxy Standard by Eric H. Jung, groeg, others

Rated 4 out of 5 stars 369 reviews

222,928 users

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 276 reviews

255,398 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

YouTube mp3 by Philip

Rated 3 out of 5 stars 264 reviews

349,256 users

Adds a download button to YouTube. By clicking on it you can download the video as a high quality mp3 file.

NetVideoHunter by netvideohunter

Rated 4 out of 5 stars 389 reviews

206,943 users

This add-on is a downloader that lets you easily download videos from sites like Youtube, Facebook, Metacafe, Dailymotion, Break, VKontakte and music for example from SoundCloud, Grooveshark and from many other sites...

Web Developer by chrispederick

Rated 5 out of 5 stars 258 reviews

333,417 users

The Web Developer extension adds various web developer tools to the browser.

Self-Destructing Cookies by Ove

Rated 4 out of 5 stars 524 reviews

209,997 users

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.

Theme Font & Size Changer by Baris Derin, Access Firefox Project

Rated 5 out of 5 stars 169 reviews

94,556 users

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Personas Plus by Mozilla

Rated 3 out of 5 stars 853 reviews

207,964 users

Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
Results 115 of 82

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections

More by this User

See all collections by this user