Web Developer Addons

by VenomVendor

23 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,631 reviews

13,576,181 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).

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 2,098 reviews

629,947 users

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

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,798 reviews

924,440 users

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

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,101 reviews

1,322,613 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 1,155 reviews

866,595 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 547 reviews

478,436 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 946 reviews

300,759 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 271 reviews

283,368 users

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

SQLite Manager by lazierthanthou

Rated 4 out of 5 stars 80 reviews

135,961 users

Manage any SQLite database on your computer.

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 384 reviews

162,974 users

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

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,526 reviews

176,653 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 439 reviews

237,134 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 362 reviews

89,692 users

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

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.

Hide My Ass! Web Proxy by HideMyAss!

Rated 3 out of 5 stars 61 reviews

18,647 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.
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