Mozilla Firefox and Thunderbird Add-ons

by David July

27 Add-ons in this Collection

uBlock Origin by Raymond Hill

Rated 5 out of 5 stars 3,828 reviews

4,755,297 users

Finally, an efficient blocker. Easy on CPU and memory.

NoScript Security Suite by Giorgio Maone

Rated 4 out of 5 stars 2,398 reviews

1,596,654 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.

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 2,350 reviews

855,368 users

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

Stylish - Custom themes for any website by userstyles.org

Rated 4 out of 5 stars 1,151 reviews

361,840 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.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,850 reviews

540,284 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 (Fx29-56) by Aris

Rated 5 out of 5 stars 1,263 reviews

291,806 users

Squared tabs, application menu, add-on bar, small button view and many more 'old' features for 'Firefox 29-56', not for Firefox 57+!

Release builds
Beta builds

TT DeepDark by steva

Rated 5 out of 5 stars 176 reviews

27,562 users

Simple and smooth dark complete theme for Thunderbird
> latest development version available on the "version history" page <
Collector's Note Thunderbird

Flagfox by Dave G

Rated 5 out of 5 stars 750 reviews

290,145 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...

UnMHT by arai_a

Rated 4 out of 5 stars 276 reviews

81,893 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 856 reviews

88,072 users

Helps you to save Web pages and organize the collection.

Self-Destructing Cookies by Ove

Rated 4 out of 5 stars 639 reviews

152,763 users

Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.

Open With by Geoff Lankow

Rated 4 out of 5 stars 215 reviews

16,111 users

Quickly test out your web pages in Chrome, Edge, Safari, or Opera. Open With opens the current page in your other browsers with just two clicks.

Donate here: https://darktrojan.github.io/donate.html?openwith

Download Manager (S3) by Oleksandr

Rated 5 out of 5 stars 266 reviews

60,982 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!

NewScrollbars (aka NoiaScrollbars) by Aris

Rated 5 out of 5 stars 99 reviews

14,307 users

The "NewScrollbars"-extension replaces default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".

SoundCloud Downloader - SoundGrab by Technowise

Rated 4 out of 5 stars 120 reviews

20,443 users

Adds download link/button to all SoundCloud tracks and sets.
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