My Favorite Add-ons

by puinha

12 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 1,937 reviews

1,972,539 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...

Web Developer by chrispederick

Rated 5 out of 5 stars 254 reviews

443,783 users

The Web Developer extension adds various web developer tools to the browser.

Evernote Web Clipper by Evernote

Use the Evernote Web Clipper to save things you see on the web into your Evernote account.

YSlow by YSlow

Rated 3 out of 5 stars 219 reviews

69,491 users

YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.

Html Validator by Marc Gueury

Rated 4 out of 5 stars 215 reviews

50,192 users

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Online HTML 5 validation, you need 0.962
http://users.skynet.be/mgueury/mozilla

SearchPreview by Edward Ackroyd

Rated 4 out of 5 stars 398 reviews

71,334 users

The main feature of SearchPreview is to enhance your search results pages. It inserts site preview images (thumbnails), popularity ranks and sponsored links (where available) into Google™, DuckDuckGo™, Yahoo™ and Bing™ searches.

Screengrab by Andy M

Rated 4 out of 5 stars 587 reviews

18,582 users

Screengrab! saves webpages as images... but not for new versions of Firefox.

FF changes too fast and I don't have the time to maintain it anymore. Bugs have developed that I am not in a position to investigate.

Therefore, Screengrab is EOL.

Feedly - Beyond Google Reader by feedly

Download Now

Experimental

Rated 5 out of 5 stars 3,602 reviews

58,021 users

A productive way to organize, read and share the content of your favorite feeds, blogs and news sites. Feedly offers a seamless transition from Google Reader.

Extended Statusbar by Strahinja Kustudić

Rated 4 out of 5 stars 258 reviews

39,467 users

A Statusbar with speed, percentage, time and loaded size (similar to Opera's one)

HeadingsMap by Rumoroso

Rated 5 out of 5 stars 18 reviews

4,158 users

The extension generates a documentmap or index of any web document structured with headings and/or with sections in HTML 5. It shows the headings structure, the errors in the structure (ie. incorrect levels), and it works as HTML5 Outliner too.

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

Rated 5 out of 5 stars 64 reviews

36,038 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

Instaright - social bookmarks (Instapaper) by bojanbabic

Rated 3 out of 5 stars 36 reviews

1,333 users

Instaright is social bookmarking platform and recommendation service.
With Instaright on a single click you can save article, links on article or text selection from article. Firefox enhancement for Instapaper. Earn badges while surfing.

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