Lufie's FF Plun-in

by Lufie

44 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,801 reviews

20,965,371 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 6,385 reviews

4,527,530 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 1,828 reviews

2,180,026 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 983 reviews

1,291,149 users

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

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,724 reviews

1,318,699 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 262 reviews

342,133 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 2,588 reviews

848,085 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 948 reviews

504,278 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!

Evernote Web Clipper by Evernote

Rated 2 out of 5 stars 884 reviews

394,754 users

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 2,554 reviews

347,020 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!

IE Tab by PCMan, yuoo2k

Rated 4 out of 5 stars 1,201 reviews

207,371 users

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

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,411 reviews

192,700 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.

ScrapBook by Gomita

Rated 4 out of 5 stars 863 reviews

156,866 users

Helps you to save Web pages and organize the collection.

Tree Style Tab by Piro (piro_or)

Download Now

Experimental

Rated 4 out of 5 stars 1,330 reviews

107,083 users

Show tabs like a tree.

UnMHT by arai_a

Rated 5 out of 5 stars 224 reviews

93,094 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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