My Favorite Add-ons

by SHahab

71 Add-ons in this Collection

Video DownloadHelper by mig

Rated 4 out of 5 stars 6,870 reviews

4,207,703 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 1,834 reviews

2,157,000 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 1,001 reviews

1,221,266 users

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

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 1,371 reviews

742,636 users

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

Adblock Plus Pop-up Addon by Jesse Hakanen

Rated 5 out of 5 stars 202 reviews

1,033,331 users

Adblock Plus Pop-up Addon extends the blocking functionality of Adblock Plus to those annoying pop-up windows that open on mouse clicks and other user actions.

Stylish by Jason Barnabe

Rated 4 out of 5 stars 821 reviews

454,787 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 263 reviews

331,805 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Flagfox by Dave G

Rated 5 out of 5 stars 657 reviews

480,303 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 55 reviews

195,196 users

Manage any SQLite database on your computer.

Awesome Screenshot Plus - Capture, Annotate & More by Diigo Inc.

Rated 4 out of 5 stars 1,183 reviews

230,293 users

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!

Evernote Web Clipper by Evernote

Rated 2 out of 5 stars 920 reviews

371,211 users

Use the Evernote Web Clipper to save things you see on the web into your Evernote account.

BlockSite by Wips.com s.r.o.

Rated 3 out of 5 stars 542 reviews

191,886 users

BlockSite is an extension, which automagically blocks websites of your choice. Additionally, this extension will disable all hyperlinks to these websites, by just displaying the link text without the clicking functionality.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 309 reviews

263,685 users

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

YesScript by Jason Barnabe

Rated 4 out of 5 stars 212 reviews

76,063 users

A JavaScript blacklist

Screengrab (fix version) by Oleksandr

Rated 5 out of 5 stars 299 reviews

136,751 users

Screengrab! saves webpages as images.
0.99 released!
New features: upload to internet
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
Results 115 of 71

What are Collections?

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

Explore Collections