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by sloprlek

81 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,492 reviews

14,520,796 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 1,965 reviews

655,908 users

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

YouTube™ Video and Audio Downloader by InBasic, Alopepeo

Rated 4 out of 5 stars 419 reviews

607,270 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.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,115 reviews

915,794 users

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

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

Rated 4 out of 5 stars 527 reviews

488,148 users

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

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

Rated 4 out of 5 stars 445 reviews

235,287 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.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 277 reviews

233,197 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 275 reviews

306,738 users

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

FoxyProxy Standard by Eric H. Jung, groeg, others

Rated 4 out of 5 stars 391 reviews

203,734 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.

Stylish by userstyles.org

Rated 4 out of 5 stars 842 reviews

337,854 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.

NetVideoHunter by netvideohunter

Rated 4 out of 5 stars 402 reviews

189,703 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 270 reviews

317,791 users

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

Self-Destructing Cookies by Ove

Rated 4 out of 5 stars 584 reviews

194,083 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 174 reviews

95,346 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

180,499 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.
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