Killer Extensions ++

by Phil D.

63 Add-ons in this Collection

IE Tab by PCMan, yuoo2k

Rated 4 out of 5 stars 1,201 reviews

184,499 users

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

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 170 reviews

140,517 users

View HTTP headers of a page and while browsing.

Personas Plus by Mozilla

Rated 3 out of 5 stars 929 reviews

279,455 users

Personas (now known as lightweight themes) 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 themes.

Mozilla Archive Format, with MHT and Faithful Save by Christopher Ottley, Paolo Amadini

Rated 4 out of 5 stars 312 reviews

153,087 users

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

ScrapBook by Gomita

Rated 4 out of 5 stars 872 reviews

141,915 users

Helps you to save Web pages and organize the collection.

Showcase by Josep del Rio

Rated 4 out of 5 stars 151 reviews

32,851 users

Easily find and manage your browser tabs.

Lazarus: Form Recovery by Seth Wagoner

Rated 4 out of 5 stars 381 reviews

44,948 users

Never lose anything you type into a web form again! Lazarus securely auto-saves all forms as you type, so after a crash, server timeout, or whatever, you can go back to the form, right click, "recover form", and breathe a sigh of relief.

ChatZilla by Gijs Kruitbosch, Robert Ginda, others

Rated 4 out of 5 stars 127 reviews

124,635 users

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

PDF Download by Nitro PDF Software

Download Now

Experimental

Rated 2 out of 5 stars 688 reviews

79,594 users

Use PDF Download to do whatever you like with PDF files on the Web. Regain control and eliminate browser problems, view PDFs directly in Firefox as HTML, and use the all-new Web-to-PDF toolbar to save and share Web pages as high-quality PDF files.

SearchPreview by Edward Ackroyd

Rated 4 out of 5 stars 392 reviews

73,863 users

The main feature of SearchPreview is to enhance your search results pages. It inserts site preview images (thumbnails), popularity ranks and sponsored links (where available) into Google™, DuckDuckGo™, Yahoo™ and Bing™ searches.

TV-FOX - Watch TV Online by TV-FOX

Rated 4 out of 5 stars 529 reviews

13,354 users

TV Add-on for Firefox - Watch TV directly from your Firefox Browser, 2780 Live TV Channels sorted by country & category, the TV-FOX allow you to watch thousands of TV channels freely available on the internet. powered by the biggest and most up t...

Dr.Web LinkChecker by Doctor Web Anti-Virus

This plugin allows you to check any file you are about to download, any page you are about to visit with online version of Dr.Web anti-virus.

Screengrab by Andy M

Rated 4 out of 5 stars 586 reviews

17,996 users

Screengrab! saves webpages as images... but not for new versions of Firefox.

FF changes too fast and I don't have the time to maintain it anymore. Bugs have developed that I am not in a position to investigate.

Therefore, Screengrab is EOL.

Add to Search Bar by Dr. Evil

Rated 5 out of 5 stars 641 reviews

73,627 users

Make any pages' search functionality available in the Search Bar (or "search box")...

StumbleUpon by StumbleUpon

Rated 4 out of 5 stars 218 reviews

75,985 users

StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see.
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