Perfect Net

by mansynet

30 Add-ons in this Collection

Video DownloadHelper by mig

Rated 4 out of 5 stars 5,441 reviews

4,579,202 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 954 reviews

1,225,261 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

926,724 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 1,215 reviews

327,355 users

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

Flagfox by Dave G

Rated 5 out of 5 stars 632 reviews

600,854 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...

Speed Dial [FVD] - New Tab Page, Sync... by pos1t1ve

Rated 5 out of 5 stars 1,648 reviews

167,568 users

FVD Speed Dial - Speed dial button, Online Synchronization, New Tab Start Page, Organize bookmarks, Custom backgrounds, custom dials, organized groups, most visited dials.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,513 reviews

303,080 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!

Personas Plus by Mozilla

Rated 3 out of 5 stars 954 reviews

383,078 users

Personas are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite Personas.

Lightbeam for Firefox by Mozilla

Rated 4 out of 5 stars 389 reviews

368,326 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.

ColorfulTabs by Shivanand Sharma

The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. For Seamonkey & Flock. An essential. F...

ScrapBook by Gomita

Rated 4 out of 5 stars 843 reviews

161,264 users

Helps you to save Web pages and organize the collection.

FEBE by Chuck_Baker

FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.

Turn Off the Lights by Stefan vd

Rated 5 out of 5 stars 251 reviews

75,123 users

The entire page will be fading to dark, so you can watch the video as if you were in the cinema.

Reader by Baris Derin

Rated 5 out of 5 stars 50 reviews

31,843 users

Reader is the ultimate Reader tool for Firefox.

ReminderFox by Tom Mutdosch, Daniel Lee

Rated 4 out of 5 stars 491 reviews

95,132 users

ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.
  1. 1
  2. 2
Results 115 of 30

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

Recently Viewed