Web Developer Addons

by VenomVendor

23 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,962 reviews

16,054,216 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 4 out of 5 stars 2,063 reviews

1,261,504 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 4 out of 5 stars 1,744 reviews

1,032,161 users

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

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 1,524 reviews

625,056 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,019 reviews

1,013,008 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 526 reviews

624,791 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.

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 936 reviews

313,846 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!

Web Developer by chrispederick

Rated 5 out of 5 stars 258 reviews

301,227 users

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

SQLite Manager by lazierthanthou

Rated 4 out of 5 stars 70 reviews

146,939 users

Manage any SQLite database on your computer.

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

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.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,485 reviews

233,593 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!

Lightbeam for Firefox by Mozilla

Rated 4 out of 5 stars 425 reviews

320,488 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.

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 371 reviews

164,256 users

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

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 362 reviews

83,255 users

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

Hide My Ass! Web Proxy by HideMyAss!

Rated 3 out of 5 stars 63 reviews

32,561 users

Hide My Ass! operates the most popular browser based web proxy online, this is our official extension that enables you to easily redirect your web traffic through our anonymous proxy network.
  1. 1
  2. 2
Results 115 of 23

What are Collections?

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

Explore Collections

More by this User

See all collections by this user