Up & Coming Extensions

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Proxy Tool Requires Restart

Proxy Tool - Powerful, yet User-friendly proxy tool to manage your proxies and anonymity needs, including: 46M+ user agents (world's largest), 10 different spoofed HTTP referrers, auto-proxy rotation, plus many more. Developed by http://ProxyList.co

Rated 3 out of 5 stars (43)
658,469 users

XHTML Mobile Profile Requires Restart

Firefox does not natively support the mime-type application/vnd.wap.xhtml+xml. This is one of the possible mime-types for XHTML Mobile Profile. This addon adds support for this mime-type.

Rated 4 out of 5 stars (12)
50,852 users

Finnish spellchecker Requires Restart

Finnish open source Voikko-spellchecker for Mozilla and needed libraries.

Rated 4 out of 5 stars (101)
5,675 users

wmlbrowser Requires Restart

Simulate WAP browsing by viewing WML (Wireless Markup Language) pages.

Rated 4 out of 5 stars (28)
67,222 users

AdNauseam

Fight back against advertising surveillance

Rated 4 out of 5 stars (37)
9,299 users

Disable Add-on Compatibility Checks

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

Rated 4 out of 5 stars (110)
77,685 users

Cookies Exterminator

Auto delete cookies and localStorage objects as soon as they become unused

Rated 5 out of 5 stars (12)
1,229 users

Ad-Blocker

Ad Blocker lets you block all ads, tracking & malware from the web world. It is an effective solution to browse the web without offensive and annoying ads you hate to see.

Rated 4 out of 5 stars (160)
47,919 users

Dorando keyconfig Requires Restart

A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)

As of version 2016.2, Custom keys (using custom JavaScript) work again!

Rated 5 out of 5 stars (27)
9,151 users

AutoProxy-ng Requires Restart

This is a fork of AutoProxy, which can run the latest version of Firefox.

Rated 5 out of 5 stars (31)
4,439 users

Speed Start

Speed Dial & Start Page with flexible layout for fast access to sites via visual bookmarks

Rated 5 out of 5 stars (57)
5,587 users

Autoplay Toggle NonRestartless Requires Restart

This extension performs the same function as Autoplay Toggle, but as a legacy overlay extension. This should work in cases where Autoplay Toggle doesn't. SeaMonkey and Pale Moon are supported.

Not yet rated
4 users

Reply to Multiple Messages

Add menu commands for replying to multiple messages at the same time.

Rated 5 out of 5 stars (1)
114 users

Composer Open In Requires Restart

Adds a toolbar button to Composer to open the current file in another editor or browser.

Not yet rated
13 users

fixedzoomthumb Requires Restart

Shows Desktop size image when you hover over a thumbnail .Works with many sites including Amazon, Facebook, Flickr, YouTube.

Rated 5 out of 5 stars (3)
3 users

Saved Pages Conversion Wizard Requires Restart

Convert previously saved pages between MAFF, MHT, and HTML with a separate support folder.

This functionality is also available as part of the Mozilla Archive Format add-on.

Not yet rated
229 users

Vault Shortcut Requires Restart

Adds a toolbar button that opens the LastPass Vault in an external browser.

Not yet rated
7 users

Addons Memory Usage - Button Requires Restart

Add toolbar button for about-addons-memory-pm

But not only, also provide shortcuts for :

- Free Memory (needs free memory button)
- Abouts list page (about:about)
- Plugins page (about:plugins)

github.com/intika/about-addons-memory-pm

Rated 2 out of 5 stars (1)
179 users

techblocker

Search with Joy! Block Ads While Surfing!

Rated 5 out of 5 stars (1)
17 users

Integrated Authentication for SeaMonkey Requires Restart

An extension that helps with enabling and managing NTLM (Windows pass-through) and other SPNEGO (integrated authentication) settings.

Not yet rated
5 users