My Favorite Add-ons
About this Collection
My favorite add-ons
818 Add-ons in this Collection
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube™ and Beyond.
It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, Hulu, Metacafe, YouKu, etc.
With this addon you can convert your YouTube and Dailymotion Videos online to MP3, MP4, M4A, AAC, OGG, WMA and 3GP.
It it free, easy and very fast.
The add-on is compatible with the new YouTube design.
TT DeepDark by steva
Simple and smooth dark complete theme for Thunderbird
> latest development version available on the "version history" page <
A very simple tabbed browsing extension that loads your homepage when you open a new tab. If you have multiple homepages, the first is chosen.
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.
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.
Kee adds free, secure and easy password management features to your browser which save time and keep your private data more secure.
Powered by KeePass Password Safe (additional installation of this free open-source program is required).
Multiple account (or label) Gmail notifier (without storing passwords)
Use PDF Download to do whatever you like with PDF files on the Web. Regain control and eliminate browser problems, view PDFs directly in Firefox as HTML, and use the all-new Web-to-PDF toolbar to save and share Web pages as high-quality PDF files.
Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.
Easy and convenient screenshot tool. Allows you to make screenshots of any selected area (video and flash too), edit and upload it to server.