My Favorite Add-ons

by Sebastian

20 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,638 reviews

912,573 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 4 out of 5 stars 2,742 reviews

688,781 users

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

Flagfox by Dave G

Rated 5 out of 5 stars 852 reviews

253,833 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...

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 849 reviews

344,592 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.

United States English Spellchecker by jooliaan

Rated 4 out of 5 stars 200 reviews

353,521 users

United States English Spellchecker for Firefox, Thunderbird and SeaMonkey by Kevin Atkinson and Geoff Kuenning.

To enable, right-click in a multi-line text box, select "Languages", then "English (United States)".

SQLite Manager by lazierthanthou

Rated 4 out of 5 stars 313 reviews

111,969 users

Manage any SQLite database on your computer.

Xmarks Sync by Xmarks Inc.

Rated 3 out of 5 stars 3,243 reviews

83,738 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!

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 1,054 reviews

247,421 users

FireFTP is a free, secure, cross-platform FTP/SFTP client for Waterfox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

ColorfulTabs by Shivanand Sharma

Rated 4 out of 5 stars 1,273 reviews

97,597 users

The first addon you should be installing on a fresh Firefox install. A must have. The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color.

PDF Download by Nitro PDF Software

Download Now

Experimental

Rated 2 out of 5 stars 665 reviews

19,293 users

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.

X-notifier (for Gmail,Hotmail,Yahoo,AOL ...) by Byungwook Kang

Rated 4 out of 5 stars 1,786 reviews

40,992 users

Notifier for gmail, yahoo, hotmail, aol and more webmails.
X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...
Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more

Personas Plus by Mozilla

Rated 3 out of 5 stars 946 reviews

138,612 users

Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.

FEBE by Chuck_Baker

Rated 4 out of 5 stars 666 reviews

50,388 users

FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.

Diccionario español Argentina by Marcelo Poli, Ezequiel Dittler

Rated 4 out of 5 stars 85 reviews

51,951 users

Spanish dictionary for Argentina.

British English Dictionary by Mark Tyndall

Rated 3 out of 5 stars 408 reviews

122,519 users

British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett.

To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".
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