Mozilla Firefox and Thunderbird Add-ons

by David July

29 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,890 reviews

19,820,788 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 5,396 reviews

4,720,212 users

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

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,770 reviews

2,294,207 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 5 out of 5 stars 1,580 reviews

1,351,788 users

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

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,485 reviews

2,078,000 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 739 reviews

688,756 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 2,514 reviews

899,316 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 926 reviews

426,994 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!

Download Manager (S3) by Oleksandr

Rated 5 out of 5 stars 242 reviews

113,486 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 249 reviews

139,588 users

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

UnMHT by arai_a

Rated 5 out of 5 stars 208 reviews

85,402 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.

ScrapBook by Gomita

Rated 4 out of 5 stars 840 reviews

165,787 users

Helps you to save Web pages and organize the collection.

TT DeepDark by steva

Rated 5 out of 5 stars 145 reviews

41,380 users

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

FlashDisable by Klemens Schölhorn

Rated 5 out of 5 stars 42 reviews

24,845 users

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

Html Validator by Marc Gueury

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Firefox 23+, you need 0.958 (under review)
http://users.skynet.be/mgueury/mozilla
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