Top-Rated Extensions

Subscribe

log2stas LiveJournal Add-on

a) Auto-expand comments threads b) Copy a fragment of text or link to a picture to LJ editor from other pages. c) Simplify use of lj-cut d) Allow quickly switch between anonymous and normal browsing.

Rated 4 out of 5 stars (4)
234 users

ShowIP

Show the IP address of the current page in the status bar. It also allows querying custom information services by IP (right click) and see location and avaiable vouchers for shopping sites. Additionally you can copy the IP address to the clipboard.

Rated 3 out of 5 stars (284)
69,426 users

YouTube Downloader and Converter

Easy to Download YouTube Videos in FLV and MP4 and Convert to MP3,AVI etc.

Rated 4 out of 5 stars (3)
12,921 users

IE Tab + (FF 8+, 7, 6, 5, 4, 3.6, 3.5, SeaMonkey)

IE Tab + is an enhanced version of IE Tab. It supports FF 3.5 or greater, integrates IE Tab with Adblock Plus in the IE Tab engine, and synchronizes cookies between IE and Firefox. You can easily import settings from the original IE Tab into IE Tab +

Rated 3 out of 5 stars (83)
123,750 users

Right Click Watch Ignore

Adds "Watch Thread" and "Ignore Thread" to right click context menu in Thunderbird and Seamonkey.

Rated 3 out of 5 stars (6)
205 users

Validaty

One Click Validator. Provides you a button to validate a page using a validator like w3c or another user defined

Rated 3 out of 5 stars (6)
920 users

SmartWhois Launcher

This extension allows you to launch SmartWhois and perform a Whois query on the current URL. SmartWhois is a useful network information utility that allows you to look up all the available information about an IP address, hostname or domain...

Rated 3 out of 5 stars (6)
454 users

Forumzilla

Forumzilla lets you read news and blog feeds in your email application. It is similar to the feed reader built into Thunderbird, but it lets you download stories into any folder in any POP, IMAP, or local account (configurable per...

Rated 3 out of 5 stars (5)
120 users

About:about Button No Restart

A button that lists all the about pages that exist. Some of these pages are also provided as separate buttons.

Rated 5 out of 5 stars (1)
144 users

Search YouTube For This

Right click on selected or a link click search YouTube For Video of in the menu, a new tab will open with the searched text.

Rated 5 out of 5 stars (1)
212 users

UniText

Unicode Character Style Replacer

Rated 5 out of 5 stars (1)
11 users

Restart App Button No Restart

Restart the current application, as you might need to do after installing a new extension or theme.

Rated 5 out of 5 stars (1)
208 users

Scrapbook X CopyPageInfo

Copies the information from ScrapBook data items.

Rated 5 out of 5 stars (1)
297 users

TotalSpoof No Restart

Set most common Firefox user-agent and window.navigator values.

Rated 5 out of 5 stars (1)
404 users

Persian transliteration No Restart

Helps transliterating Persian texts.

Rated 5 out of 5 stars (1)
22 users

Słownik synonimów PL

Adds to browser Polish synonyms dictionary from package LibreOffice.

Rated 5 out of 5 stars (1)
117 users

Standalone SeaMonkey Mail No Restart

Use SeaMonkey as a standalone e-mail client. Set up a default browser for links opened from Mail & Newsgroups.

Rated 5 out of 5 stars (1)
48 users

Youtube Video Size

Watch Youtube videos in full page size.

Rated 5 out of 5 stars (1)
110 users

Key config

This add-on provides configurable keyboard shortcuts for several actions and a dialog to customize them.
All shortcuts can be redefined in Tools -> Key settings

Rated 3 out of 5 stars (16)
3,129 users

History Janitor

Firefox does not give an option to remove the oldest entries from the history. History Janitor automatically purges history entries on Firefox startup. The user is allowed to specify a number of days. Everything older than this number is deleted!

Rated 3 out of 5 stars (11)
1,985 users