<img alt="Firefox" src="https://addons.cdn.mozilla.net/static/img/app-icons/med/firefox.png?b=fd03eba-54f0d635"> Add-ons

Rated 5 out of 5 stars (1,454)

This add-on is not compatible with your version of Firefox because of the following:

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

by Giorgio Maone

2,288,759 users

Download YouTube Videos as MP4

Rated 4 out of 5 stars (314)

This add-on is not compatible with your version of Firefox because of the following:

This add-on is not compatible with your version of Firefox because of the following:

An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.

by ialc

999,596 users

YouTube ALL HTML5

Rated 5 out of 5 stars (106)

This add-on is not compatible with your version of Firefox because of the following:

Play all videos on youtube without flash in your preferred size using only HTML5.

by Klemens Schölhorn

104,332 users

Fastest Search - Browse/Shop Faster!

Shopping

Rated 5 out of 5 stars (129)

This add-on is not compatible with your version of Firefox because of the following:

Search/browse/shop faster than ever! Ctrl-Shift-F for whole-word/regex/all tabs/diacritic search;create custom engines;shopping assistant compares price;Smart SearchBox;Preview results;Auto copy plain text, FF36 users must use v3.362 (on addon page)!

by Mingyi Liu

14,178 users

Text to Voice

Rated 5 out of 5 stars (153)

Continue to Download →

This add-on is not compatible with your version of Firefox because of the following:

http://en.wikipedia.org/wiki/Text-to-voice. TTS gives Firefox the power of speech. Select text, click the button on the bottom right of Firefox window and this add-on speaks the selected text for you. Isn't it brilliant? Audio is downloadable.

by ViJo

29,491 users

iMacros for Firefox

Rated 4 out of 5 stars (366)

This add-on is not compatible with your version of Firefox because of the following:

This add-on is not compatible with your version of Firefox because of the following:

Add-on uses binary components.

Automate Firefox. Record and replay repetitious work. If you love the Firefox web browser, but are tired of repetitive tasks like visiting the same sites every days, filling out forms, and remembering passwords, then iMacros for Firefox is the soluti...

by iMacros

298,872 users

S3.Google Translator

Language Support

Rated 5 out of 5 stars (165)

This add-on is not compatible with your version of Firefox because of the following:

This add-on is not compatible with your version of Firefox because of the following:

S3.Google Translator adds the power of Google Translate’s automatic translations to your browser!
It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages.

New Feature: Language learning!

by Oleksandr

224,714 users

Gmail Notifier (restartless)

Alerts & Updates

Rated 4 out of 5 stars (212)

This add-on is not compatible with your version of Firefox because of the following:

Multiple account (or label) Gmail notifier (without storing passwords)

by InBasic

99,608 users

Font Finder

Rated 4 out of 5 stars (63)

This add-on is not compatible with your version of Firefox because of the following:

FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

by Ben Dodson, Eric Caron, others

33,013 users

ProCon Latte Content Filter

Rated 4 out of 5 stars (232)

Continue to Download →

This add-on is not compatible with your version of Firefox because of the following:

Continue to Download →

This add-on is not compatible with your version of Firefox because of the following:

Block web pages containing pornography or any other type of material based on keyword lists.

by Hunter Paolini

68,025 users

Google™ Translator

Games & Entertainment

Rated 4 out of 5 stars (65)

This add-on is not compatible with your version of Firefox because of the following:

Google™ Translator is a handy multi-language translator built on top of Google Translate. It gives you Google Translate UI feel right on your Firefox toolbar.

by Andy Portmen

98,692 users

F.B. Purity - Cleans Up Facebook

Rated 5 out of 5 stars (71)

This add-on is not compatible with your version of Firefox because of the following:

This add-on is not compatible with your version of Firefox because of the following:

F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.

by steeev+

67,060 users

Nimbus Screen Capture - editable screenshots

Rated 5 out of 5 stars (112)

This add-on is not compatible with your version of Firefox because of the following:

Screen capture Web Page, selected region or whole browser window, edit screenshots and save the images to Local File or Google Drive. Edit screenshots in a very user-friendly interface with the different tools.

by pos1t1ve

79,676 users

Password Tags

Rated 5 out of 5 stars (5)

This add-on is not compatible with your version of Firefox because of the following:

This add-on is not compatible with your version of Firefox because of the following:

Adds metadata and sortable tags to the password manager.

by Daniel Dawson

3,108 users

Tile Tabs

Tabs

Rated 5 out of 5 stars (211)

This add-on is not compatible with your version of Firefox because of the following:

Displays tabs in tiled layouts in Firefox. Arrange tiles horizontally, vertically or in a grid. Resize tiles by dragging splitter bars. Tabs and links can be dragged to open in other tiles. Supports multiple tiled layouts. Works with tab groups.

by DW-dev

77,655 users

The Fox, Only Better

Tabs

Rated 5 out of 5 stars (190)

This add-on is not compatible with your version of Firefox because of the following:

Australis, the new Firefox theme, made a great browser look awesome. And now it will also feel awesome using it!

by Quicksaver

42,751 users

WebRank SEO Toolbar

Alerts & Updates

Rated 4 out of 5 stars (61)

This add-on is not compatible with your version of Firefox because of the following:

A toolbar that gives Google Pagerank, Alexa, Compete and Quantcast Rank, pages indexed and backlinks in Google, Bing and Yahoo. Bookmark webpages at PickMeWeb.com, view similar websites at SimilarSites.com. Delicious, Digg and Tweet Count.

by ProbCOMP

25,436 users

Update Scanner

Bookmarks

Rated 4 out of 5 stars (180)

This add-on is not compatible with your version of Firefox because of the following:

This add-on is not compatible with your version of Firefox because of the following:

Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.

by sneakypete81

35,597 users

Up & Coming Extensions See all »

WEB.DE Coupon Alert

Shopping

Not yet rated

This add-on is not compatible with your version of Firefox because of the following:

Stay directly informed about great deals

by 1&1 Mail & Media GmbH

2,015 users

User-Agent Switcher

Rated 4 out of 5 stars (3)

This add-on is not compatible with your version of Firefox because of the following:

Quickly and easily switch between popular user-agent strings.

by Linder

1,412 users

Tab Data

Tabs

Rated 4 out of 5 stars (6)

This add-on is not compatible with your version of Firefox because of the following:

Provides user with tab related stats and memory usage

by Robert Byrne

1,215 users

Axon - Wordnik dictionary & Wikipedia add-on

Language Support

Rated 5 out of 5 stars (3)

This add-on is not compatible with your version of Firefox because of the following:

Axon provides access to the Wordnik dictionary and all Wikipedia articles in every language.

Double-click or select text to open the Wordnik dictionary definition in a speech balloon. If the word is not available Axon continues on Wikipedia.

by Ivo van Kamp

3,272 users

DIRECT PDF DOWNLOAD

Bookmarks

Rated 4 out of 5 stars (5)

This add-on is not compatible with your version of Firefox because of the following:

Directly Download PDF without opening in the viewer.

by kamesh rajak

26,727 users

AdBlock for Gmail™

Rated 5 out of 5 stars (1)

This add-on is not compatible with your version of Firefox because of the following:

AdBlock for Gmail™ removes all annoying Ads and Banners from Gmail

by AdblockLite

9,388 users

AdBlock for Facebook

Rated 4 out of 5 stars (6)

This add-on is not compatible with your version of Firefox because of the following:

Block Ads Seamlessly on Facebook.com

by AdblockLite

17,612 users

Play YouTube in HD

Games & Entertainment

Rated 5 out of 5 stars (3)

This add-on is not compatible with your version of Firefox because of the following:

Watch YouTube in the full-HD quality or the highest available one

by James Fray

5,920 users

Google™ Translator Lite

Language Support

Rated 5 out of 5 stars (5)

This add-on is not compatible with your version of Firefox because of the following:

Google™ Translator Lite

by Arthur Polinsky

9,679 users

Referrer Control

Rated 5 out of 5 stars (28)

This add-on is not compatible with your version of Firefox because of the following:

Control http request referrer

by muzuiget

22,839 users

HTTP/2 and SPDY indicator

Rated 4 out of 5 stars (18)

This add-on is not compatible with your version of Firefox because of the following:

An indicator showing HTTP/2 and SPDY support in the address bar.

by Cheng Sun

47,263 users

HTML5 YouTube Everywhere

Rated 2 out of 5 stars (2)

This add-on is not compatible with your version of Firefox because of the following:

Get rid of legacy Flash based embedded YouTube videos and replace them with YouTube's HTML5 player. Works even if you have Flash on.

by Riku-Pekka Silvola

1,280 users

Google Untracker

Search Tools

Not yet rated

This add-on is not compatible with your version of Firefox because of the following:

Removes tracking that enables Google to log every search result you open.

View project on GitHub: https://github.com/sharpdressedcodes/google-untracker

by Greg Kappatos

1,532 users

lilo

Search Tools

Not yet rated

This add-on is not compatible with your version of Firefox because of the following:

Recherchez avec Lilo et Financez des projets sociaux et environnementaux

by Lilo

2,370 users

Disable WebRTC

Rated 5 out of 5 stars (9)

This add-on is not compatible with your version of Firefox because of the following:

WebRTC exposes your internal network IP(s), without user interaction.

by Chris Antaki

5,983 users

Firefox Interest Dashboard

Rated 4 out of 5 stars (10)

This add-on is not compatible with your version of Firefox because of the following:

Firefox Interest Dashboard provides a colorful and interactive view of your interests based on your browsing history.

by Mozilla

2,035 users

Listen on Repeat Youtube Video Repeater

Games & Entertainment

Rated 5 out of 5 stars (1)

This add-on is not compatible with your version of Firefox because of the following:

Listen On Repeat Video Repeater adds a "repeat" button too your Firefox toolbar. Just go to any Youtube video, hit the "repeat" button, and you're set!

by listenonrepeat

1,876 users

HTML5 Video Everywhere!

Rated 4 out of 5 stars (20)