Add-ons

by sloprlek

798 Add-ons in this Collection

Adblock Plus by Wladimir Palant, Eyeo

Rated 5 out of 5 stars 6,429 reviews

14,163,467 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).

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

Rated 4 out of 5 stars 717 reviews

613,938 users

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

anonymoX by anonymoX GmbH

Rated 3 out of 5 stars 1,117 reviews

197,348 users

Easy anonymous web browsing.
– Change your IP-Address and country
– Visit blocked or censored websites.
– Delete cookies, show your public ip, and more

We provide the proxy servers, no external proxies or other programs required

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 3,451 reviews

768,770 users

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

Google Translator for Firefox by nobzol

Rated 4 out of 5 stars 559 reviews

625,148 users

With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.

Greasemonkey by Anthony Lieuallen

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

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

Rated 4 out of 5 stars 518 reviews

215,162 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.

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,439 reviews

1,187,019 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 2,344 reviews

875,833 users

The first and only download manager/accelerator built inside Firefox!

FoxyProxy Standard by Eric H. Jung

Rated 4 out of 5 stars 528 reviews

184,533 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 - Custom themes for any website by userstyles.org

Rated 4 out of 5 stars 1,151 reviews

377,580 users

Stylish lets you customize any website with custom user styles (themes for websites). Choose from the largest userstyles library to change the color scheme, background, and skin for Google, Facebook, YouTube and many, many more sites.

Lightning by Mozilla Calendar Project

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

Web Developer by chrispederick

Rated 4 out of 5 stars 400 reviews

305,603 users

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

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 698 reviews

443,472 users

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Xmarks Sync by Xmarks Inc.

Rated 3 out of 5 stars 2,973 reviews

120,318 users

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 54
Results 115 of 798

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