gastonnina

by Gastón Nina

18 Add-ons in this Collection

Video DownloadHelper by mig

Rated 4 out of 5 stars 5,099 reviews

5,528,827 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,759 reviews

2,560,131 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 941 reviews

1,349,071 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 203 reviews

644,135 users

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

Flagfox by Dave G

Rated 5 out of 5 stars 621 reviews

724,017 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 30 reviews

208,405 users

Manage any SQLite database on your computer.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 300 reviews

284,578 users

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

Screengrab (fix version) by Oleksandr

Rated 5 out of 5 stars 238 reviews

150,088 users

Screengrab! saves webpages as images.
0.98 released!
New features: upload to internet

YSlow by YSlow

Rated 3 out of 5 stars 180 reviews

124,414 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.

Tile Tabs by DW-dev

Rated 5 out of 5 stars 212 reviews

77,433 users

Displays tabs in tiled layouts in Firefox. Arrange tiles horizontally, vertically or in a grid. Resize tiles by dragging splitter bars. Tabs and links can be dragged to open in other tiles. Supports multiple tiled layouts. Works with tab groups.

Wappalyzer by Elbert Alias

Rated 4 out of 5 stars 95 reviews

66,450 users

Wappalyzer is a browser extension that identifies software on websites.

Pearl Crescent Page Saver Basic screenshot tool by Kathleen Brade, Mark Smith

Rated 4 out of 5 stars 77 reviews

83,466 users

Save an image of a web page (including Flash content) to a file. Web page screenshots may be captured interactively or from the command line. Options allow you to control the output format (PNG or JPEG), image file name, scaling, and much more.

FirePHP by cadorn

Rated 4 out of 5 stars 45 reviews

64,026 users

FirePHP enables you to log to your Firebug Console using a simple PHP method call.

Not using Firebug 1.9+ on Firefox 8+? See http://firephp.org/

Diigo Toolbar - Annotate, Screenshot, Bookmark by Diigo Inc.

Rated 4 out of 5 stars 108 reviews

13,850 users

Enable multi-color highlighter and post-it notes as your reading aids; Capture the whole page or any portion to share or archive; Save everything online to allow access anywhere. See Youtube http://bit.ly/g5GvDw

Screengrab by Andy M

Rated 4 out of 5 stars 588 reviews

35,857 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.
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