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 2,071 reviews

1,696,276 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 262 reviews

391,984 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 221 reviews

58,915 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 218 reviews

44,107 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 375 reviews

63,746 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 571 reviews

16,669 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.

Extended Statusbar by Strahinja Kustudić

Rated 4 out of 5 stars 244 reviews

37,141 users

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

Feedly - Beyond Google Reader by feedly

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Experimental

Rated 5 out of 5 stars 3,258 reviews

49,241 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.

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

Rated 5 out of 5 stars 65 reviews

66,611 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

HeadingsMap by Rumoroso

Rated 5 out of 5 stars 19 reviews

3,878 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.

Instaright - social bookmarks (Instapaper) by bojanbabic

Rated 3 out of 5 stars 36 reviews

1,050 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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