Martin's Add-ons

by Martin Ritchie

11 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,989 reviews

21,690,319 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).

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 964 reviews

1,264,120 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 251 reviews

349,221 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,527 reviews

311,139 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!

British English Dictionary by Mark Tyndall

Rated 3 out of 5 stars 422 reviews

228,910 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".

Locationbar² by Dao Gottwald

Rated 4 out of 5 stars 260 reviews

15,420 users

More than a textbox.

Ubiquity by matyr

Download Now


Rated 5 out of 5 stars 122 reviews

1,247 users

An extension that allows for the use of dynamic commands in Firefox.

PDF Plugin for Firefox on Mac OS X by Sam Gross

Rated 4 out of 5 stars 241 reviews

9,800 users

Note from Mozilla: This add-on has been discontinued. Try PDF Viewer instead.

PDF plugin for Firefox 3 on Mac OS X. Displays PDF documents in the browser.

Mozilla Labs - Prism by Mozilla Labs

Create Prism applications directly from Firefox

LongURL Mobile Expander by Sean Murphy

Rated 4 out of 5 stars 34 reviews

169 users

You should always know where a link takes you before clicking on it. Services like make that difficult. LongURL Mobile Expander uses the web services to let you know where shortened links *really* go.

Socialite by Chromakode

Rated 3 out of 5 stars 35 reviews

1,998 users

Vote on and submit stories to reddit social news sites.

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