Web Developer Addons

by VenomVendor

25 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,204 reviews

17,698,874 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 1,625 reviews

2,616,201 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 1,390 reviews

1,569,428 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 856 reviews

1,801,849 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 425 reviews

1,288,335 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

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 178 reviews

687,818 users

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

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,321 reviews

457,096 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!

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 834 reviews

786,159 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!

Lightbeam for Firefox by Mozilla

Rated 3 out of 5 stars 303 reviews

443,456 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.

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 52 reviews

194,056 users

Manage any SQLite database on your computer.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 282 reviews

313,073 users

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

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.

Hide My Ass! Web Proxy by HideMyAss!

Rated 3 out of 5 stars 52 reviews

70,197 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.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 303 reviews

151,800 users

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