Anselmo

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28 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,301 reviews

19,097,317 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).

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,650 reviews

2,866,444 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 1,403 reviews

1,592,920 users

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

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,342 reviews

440,550 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!

FireGestures by Gomita

Rated 4 out of 5 stars 733 reviews

451,745 users

A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.

Tamper Data by Adam Judson

Rated 4 out of 5 stars 115 reviews

138,840 users

Use tamperdata to view and modify HTTP/HTTPS headers and post parameters...

United States English Spellchecker by jooliaan

Rated 4 out of 5 stars 143 reviews

561,528 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)".

IE Tab by PCMan, yuoo2k

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 284 reviews

311,573 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 136 reviews

205,777 users

View HTTP headers of a page and while browsing.

Password Exporter by Justin Scott (fligtar)

Rated 4 out of 5 stars 274 reviews

189,721 users

This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 305 reviews

174,329 users

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

FEBE by Chuck_Baker

Rated 4 out of 5 stars 551 reviews

154,878 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.

Dizionario italiano by flod

Rated 4 out of 5 stars 46 reviews

156,337 users

Italian spellchecking dictionary

FoxTab by The FoxTab Team

Rated 4 out of 5 stars 1,481 reviews

157,371 users

3D in your browser! FoxTab brings innovative 3D functionality to your Firefox.

New! Top Sites for FoxTab (aka Speed Dial).
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