Best Add-Ons (Extensions and Themes) for Firefox

by MrAli

84 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,947 reviews

19,927,746 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).

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,832 reviews

1,250,102 users

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

Ghostery by Ghostery

Rated 5 out of 5 stars 1,347 reviews

1,413,600 users

Increase your browsing privacy, protection, and speed.

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 542 reviews

781,536 users

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Full Web Page Screenshots (♥♥♥♥♥) by susbox

FireShot makes full web page screenshots. Demo: http://bit.ly/RlBQMV

Screenshots can be quickly captured and:

― Saved as Image or PDF
― Sent to clipboard
― Printed
― Annotated *
― Uploaded *
― E-Mailed *

* OS Windows only

Disconnect by Disconnect

Rated 4 out of 5 stars 204 reviews

289,861 users

Make the web faster, more private, and more secure.

Flagfox by Dave G

Rated 5 out of 5 stars 679 reviews

490,505 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...

Self-Destructing Cookies by Ove

Rated 4 out of 5 stars 565 reviews

207,167 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.

Bluhell Firewall by Diego Casorran

Rated 5 out of 5 stars 313 reviews

107,027 users

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,594 reviews

302,100 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!

Strict Pop-up Blocker by Nikos Asimakis

Rated 4 out of 5 stars 98 reviews

114,925 users

Quickly toggle between blocking all pop-up windows and allowing some pop-ups

Nimbus Screen Capture - editable screenshots by Nimbus Web

Rated 5 out of 5 stars 323 reviews

140,485 users

1) Screen capture web pages.
2) Selected regions.
3) Whole browser windows.
4) Slack direct upload (NEW!)
Edit screenshots and save images as local file or Google Drive. Annotate screenshots with different tools. Upload and share!

Torrent Tornado by Oleksandr

Rated 5 out of 5 stars 90 reviews

52,505 users

A Torrent Client for Firefox and SeaMonkey, runs everywhere, created in pure JavaScript without binary software!

µBlock by Chris Aljoudi

Rated 4 out of 5 stars 229 reviews

164,984 users

NOTE: Users should be aware that this add-on represents an older fork. The original developer of uBlock is continuing to actively develop the newer fork uBlock Origin.

Google™ Translator by Andy Portmen

Rated 4 out of 5 stars 144 reviews

86,205 users

Google™ Translator is a handy multi-language translator built on top of Google Translate. It gives you Google Translate UI feel right on your Firefox toolbar.
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