Mozilla Firefox and Thunderbird Add-ons

by David July

26 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,914 reviews

19,828,625 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).

Video DownloadHelper by mig

Rated 4 out of 5 stars 5,440 reviews

4,579,202 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,588 reviews

1,341,764 users

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

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,489 reviews

2,120,257 users

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Stylish by Jason Barnabe

Rated 4 out of 5 stars 743 reviews

670,703 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.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,515 reviews

897,345 users

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

Classic Theme Restorer (Customize UI) by Aris

Rated 5 out of 5 stars 937 reviews

431,566 users

Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29+ (Windows / MacOSX / Linux).

All builds & changelogs on versions page!

Flagfox by Dave G

Rated 5 out of 5 stars 632 reviews

600,854 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Download Manager (S3) by Oleksandr

Rated 5 out of 5 stars 246 reviews

114,997 users

View and manage downloads from a tidy statusbar

This is a new life in Firefox 26+ for old well-known addon Download Statusbar

New Features: Replace Downloads Library page.
Now you have full control of your downloads history!

Screengrab (fix version) by Oleksandr

Rated 5 out of 5 stars 251 reviews

139,419 users

Screengrab! saves webpages as images.
0.98 released!
New features: upload to internet

ScrapBook by Gomita

Rated 4 out of 5 stars 843 reviews

161,264 users

Helps you to save Web pages and organize the collection.

UnMHT by arai_a

Rated 5 out of 5 stars 213 reviews

80,635 users

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

TT DeepDark by steva

Rated 5 out of 5 stars 145 reviews

41,418 users

Smooth dark theme for Thunderbird
• Beta version available here
Collector's Note Thunderbird

FlashDisable by Klemens Schölhorn

Rated 5 out of 5 stars 43 reviews

26,204 users

Toolbar button that lets you disable and re-enable Flash with just one click.

FindBar Tweak by Quicksaver

Rated 5 out of 5 stars 236 reviews

31,467 users

Between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, it has everything to make the Find Toolbar a powerful and accessible research tool!
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