Lufie's FF Plun-in

by Lufie

43 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,041 reviews

19,318,007 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).

Video DownloadHelper by mig

Rated 4 out of 5 stars 8,046 reviews

4,834,771 users

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

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,118 reviews

2,018,063 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 1,852 reviews

1,240,398 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,036 reviews

1,193,634 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 273 reviews

334,259 users

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

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,646 reviews

778,747 users

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 993 reviews

455,574 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!

IE Tab by PCMan, yuoo2k

Rated 4 out of 5 stars 1,207 reviews

190,950 users

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

Evernote Web Clipper by Evernote

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

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,611 reviews

288,944 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!

ScrapBook by Gomita

Rated 4 out of 5 stars 885 reviews

145,593 users

Helps you to save Web pages and organize the collection.

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,564 reviews

168,875 users

AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.

Tree Style Tab by Piro (piro_or)

Download Now

Experimental

Rated 4 out of 5 stars 1,410 reviews

112,690 users

Show tabs like a tree.

UnMHT by arai_a

Rated 4 out of 5 stars 239 reviews

101,504 users

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.
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