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Google Docs Viewer (PDF, DOCX, PPTX, XLSX, etc...) Requires Restart

View publicly-accessible PDF, DOCX, PPTX, XLSX, among other files online with Google Docs by only 2 clicks. Click as usual for your default viewer. Support bookmarked URLs. Security and your explicit viewing intention are always honored.

Rated 4 out of 5 stars (62)
18 users

about:addons-memory

Adds an about:addons-memory page that details add-on memory usage

Rated 4 out of 5 stars (149)
7 users

Dictionary - Reference.com

Dictionary definitions at your fingertips.

Rated 5 out of 5 stars (11)
135 weekly downloads

Cookie Exporter Requires Restart

Exports all cookies in IE manner.
Makes a Netscape standard cookies.txt file.
Very useful for WGET --load-cookies option.

Rated 4 out of 5 stars (14)
1 user

o-o-0-o-o search

o-o-0-o-o makes google search better, open popular sites by 1-2 letters, gives you a lot of search shortcuts and show 30 google results. Addition o-o-0-o-o wingOwing.

Rated 1 out of 5 stars (2)
135 weekly downloads

Russia - All-in-one Internet Search (SSL & TLS)

The #1 Russia Search Add-on - Download Now - Free & Unlimited - "A must have add-on for Russia." Binary App Dev (End-to-End Encryption & Encrypted SSL Suggestions)

Rated 5 out of 5 stars (3)
134 weekly downloads

Internet Archive Search

Search add-on for Archive.org
Internet Archive: Universal Access To All Knowledge.

Rated 3 out of 5 stars (6)
133 weekly downloads

South African English spell checker Requires Restart

The South African English spell checker allows you to use place names, borrowed words, and other expressions that are unique to South Africa.

"No more eina, just a lekker spell checker!"

Rated 5 out of 5 stars (3)
4 users

Bulgarian Dictionary

Bulgarian spellchecking...

Rated 5 out of 5 stars (30)
4,790 users

Firesizer Requires Restart

Allows you to resize the window to specific dimensions.

NOTE: Users of Firefox 29 and above must install "The Addon Bar" extension to use this, as Firesizer uses the add-on bar that has been removed in Firefox 29.

Rated 4 out of 5 stars (127)
10 users

Spanish (Venezuela) spell check dictionary

Diccionario en español para Venezuela.
- Corrector Ortográfico (Spell Checker)
- Tesauro de Sinónimos (Thesaurus)
- Separación Silábica (Hyphenation)

¡Hecho en Venezuela!

Rated 5 out of 5 stars (30)
8,123 users

MR Tech Disable XPI Install Delay Requires Restart

Disables default delay when installing...

Rated 5 out of 5 stars (16)
0 users

Signature /Auto Paste /Prefill Fourms Requires Restart

Makes everyday entries to forms & forums simpler!
Add a sig. with just a Rclick of the mouse and select 'Add Sig.' from the context menu.
(Please, note: What you see in the pic is only an example. ThoseRMine Sorry, you have to make your own tabs. )

Rated 4 out of 5 stars (30)
36 users

Scriptish Requires Restart

The greatest user script engine on the Internet (a fork of Greasemonkey).

Rated 4 out of 5 stars (109)
10 users

Private Anonymous Search (Google + Bing + HTTPS)

Privatelee.com (HTTPS) combines the best results from Google and Bing with the ultimate private search engine.

Privatelee does not save IP address or set uniquely identifiable or ad network cookies.

Features like WOT rating, infinite scrolling

Rated 4 out of 5 stars (21)
128 weekly downloads

Add-ons Manager Context Menu Requires Restart

Add more items to Add-ons Manager context menu.

Rated 5 out of 5 stars (49)
26 users

Element Inspector

In the DOM Inspector,quickly navigate to the any elements

Rated 5 out of 5 stars (36)
8 users

Duden.de Suche

Duden.de Suche

Rated 5 out of 5 stars (7)
126 weekly downloads

WorldIP - Geo Add-on with Security Features Requires Restart

Professional Geo Add-on with security features and advanced network tools. Anti-phishing. Protection against DNS spoofing and fake sites. All DNS records for domain. The real location of web server, country flag, extended information about datacenter

Rated 5 out of 5 stars (124)
22 users

Afrikaans spell checker

Afrikaans spell checker for Mozilla Firefox and Thunderbird

Rated 4 out of 5 stars (23)
1,567 users