Web Developer Addons

by VenomVendor

25 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,915 reviews

19,495,089 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 1,773 reviews

2,250,093 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 1,590 reviews

1,326,017 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 954 reviews

1,212,183 users

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

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 491 reviews

915,471 users

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 1,216 reviews

325,176 users

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Web Developer by chrispederick

Rated 5 out of 5 stars 213 reviews

536,507 users

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

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 927 reviews

526,154 users

FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,513 reviews

299,257 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!

Print pages to Pdf by The Ripper

Creates one Pdf from any amount of open Browsertabs,Bookmarks/-folder, Scrapbook(Plus) pages. This document can be archived, sended by e-mail or printed out with any standard Pdf Viewer.

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 35 reviews

192,059 users

Manage any SQLite database on your computer.

RESTClient, a debugger for RESTful web services. by Chao ZHOU

Rated 4 out of 5 stars 82 reviews

136,100 users

Notice: some important features (XML indentation and load old saved requests) are missing in version 2.0.0, please update to version 2.0.1.

Please follow the link ("View other versions") below To install version 2.0.1.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 300 reviews

242,320 users

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

Lightbeam for Firefox by Mozilla

Rated 4 out of 5 stars 389 reviews

361,241 users

Lightbeam is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 332 reviews

144,141 users

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