My Favorite Add-ons


33 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,989 reviews

21,690,319 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).

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 964 reviews

1,264,120 users

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

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 1,249 reviews

745,136 users

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

Stylish by Jason Barnabe

Rated 4 out of 5 stars 763 reviews

648,539 users

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

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,527 reviews

311,139 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!

ColorfulTabs by Shivanand Sharma

Rated 4 out of 5 stars 995 reviews

223,393 users

The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. For Seamonkey & Flock. An essential. F...

RightToClick by IKRG

Rated 5 out of 5 stars 144 reviews

181,845 users

Stops javascript annoyances such as forbidden right click, forbidden text selection or cascading dialog boxes.

Mozilla Archive Format, with MHT and Faithful Save by Christopher Ottley, Paolo Amadini

Rated 4 out of 5 stars 277 reviews

183,441 users

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

auto-plugin-checker by Plugin-Paul

Rated 4 out of 5 stars 24 reviews

22,886 users

The auto-plugin-checker informs you, whenever plugin updates are available - automatically.

Turn Off the Lights by Stefan vd

Rated 5 out of 5 stars 252 reviews

73,825 users

The entire page will be fading to dark, so you can watch the video as if you were in the cinema.

TT DeepDark by steva

Smooth dark theme for Thunderbird
• Beta version available here

Extension Auto-Installer by Wladimir Palant

Rated 5 out of 5 stars 15 reviews

3,691 users

Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.

Save Image in Folder by Achim Seufert

Rated 5 out of 5 stars 217 reviews

33,665 users

Easily save images in personally customized...

Feedly - Beyond Google Reader by feedly

Download Now


Rated 5 out of 5 stars 3,597 reviews

87,705 users

A productive way to organize, read and share the content of your favorite feeds, blogs and news sites. Feedly offers a seamless transition from Google Reader.
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