My Favorite Add-ons

by Alex Henry

11 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,900 reviews

2,224,655 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...

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,019 reviews

1,258,690 users

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

BetterPrivacy-signed by IKRG

Control a new, trickier kind of cookie, better known as an LSO or Flash cookie. The BetterPrivacy safeguard offers various ways to handle Flash-cookies created by webpages with the help of your Flash plug-in...

United States English Spellchecker by jooliaan

Rated 4 out of 5 stars 162 reviews

498,698 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)".

FireGestures by Gomita

Rated 4 out of 5 stars 963 reviews

356,291 users

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

Download Manager Tweak by squashr1979, andman42

Rated 4 out of 5 stars 433 reviews

59,047 users

Allows the download manager to also open in a tab or sidebar, and adds some optional display changes.

Verificador Ortográfico para Português do Brasil by Vinícius Della Líbera, Adriana Quintanilha, others

Rated 5 out of 5 stars 61 reviews

87,992 users

Possui a maioria das palavras existentes em português do Brasil, de acordo com o novo acordo ortográfico que entrou em vigor janeiro de 2009. É Atualizado constantemente.

Precisa de ajuda?
facebook.com/RescueLanguage
rescuelanguage.sf.net

Auto Reload by Yurii Zolot'ko

Rated 4 out of 5 stars 74 reviews

17,038 users

Reload page automatically when selected local files are changed.

RequestPolicy by Justin Samuel

Rated 4 out of 5 stars 227 reviews

88,417 users

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Mouse Gestures Suite by Lemon Juice

Rated 4 out of 5 stars 40 reviews

15,303 users

Mouse gestures for SeaMonkey & Firefox: navigate & execute commands using mouse gestures (with single mouse button) and rocker gestures (by pressing 2 mouse buttons). Also: scroll wheel navigation, page scrolling, tab scrolling.

Mozilla Labs: Prospector - LessChrome HD by Mozilla Labs

Download Now

Experimental

Rated 4 out of 5 stars 229 reviews

2,778 users

Show less chrome by default unless it's needed

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections