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ImportExportTools Requires Restart

Adds some tools to import and export folders and messages

Rated 4 out of 5 stars (250)
6,808 users

Booking.com

Booking.com: Over 870,095 hotels in 187 countries. Get great deals on accommodation in over 41,000 destinations worldwide. Book your hotel now!

Rated 5 out of 5 stars (9)
9,048 weekly downloads

Windows Desktop gadgets search - GadgetsKit.com

Search free Desktop Gadgets For Windows 7, Windows 8, Windows 10 and Vista at GadgetsKit.com

Rated 4 out of 5 stars (10)
8,873 weekly downloads

Startpage HTTPS Privacy Search Engine

Add Startpage - The World's Most Private Search Engine - to your search box. Startpage does not record your IP address. Search the Web in the best possible privacy!

Rated 5 out of 5 stars (124)
8,000 weekly downloads

Amazon.com Quick Search with Suggestions

Quick Search on Amazon.com with suggestions.
Amazon.com: Online Shopping for Electronics, Apparel, Computers, Books, DVDs, Housewares, Furniture, Sporting goods, Personal care & more.

Rated 5 out of 5 stars (12)
6,536 weekly downloads

British English Dictionary (Marco Pinto)

A fork of Mark Tyndall's add-on, based on David Bartlett's
British Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey.

V3.3.6 has 140 000+ new words and also fixes.

Rated 5 out of 5 stars (83)
164,615 users

FlashGot Mass Downloader Requires Restart Featured

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Rated 5 out of 5 stars (893)
450 users

English United States Dictionary

English United States (en-US) Dictionary as shipped with Thunderbird 115 ESR and Firefox 115 ESR.

Rated 4 out of 5 stars (39)
65,013 users

French spelling dictionary

Spelling dictionary for the French language.

Rated 4 out of 5 stars (53)
109,182 users

YouTube

This add-on will add an improved version of YouTube's search engine, now with search suggestions!

Thanks all who voted for helping this add-on to become public! Please keep leaving feedback!

Rated 5 out of 5 stars (253)
4,714 weekly downloads

German Dictionary

German Dictionary (new Orthography) for spellchecking in Mozilla products

Rated 4 out of 5 stars (82)
246,443 users

Spanish (Spain) Dictionary

Spanish/Spain Dictionary

Rated 4 out of 5 stars (167)
57,514 users

Google (Default)

google.com search with no shenanigans.

Rated 4 out of 5 stars (236)
3,985 weekly downloads

Brazilian Portuguese Dictionary (New Spelling)

The same spellchecker shipped with the Brazilian version of Firefox.

Rated 4 out of 5 stars (46)
6,676 users

DuckDuckGo (HTTPS / SSL)

DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension adds DuckDuckGo (HTTPS / SSL version) to the search bar. For more features, see the DuckDuckGo Plus add-on. Enjoy!

Rated 5 out of 5 stars (128)
2,164 weekly downloads

German dictionary (de_DE)

German dictionary igerman98 (de_DE, Germany), for Firefox, Thunderbird und Seamonkey.

Rated 4 out of 5 stars (24)
39,743 users

Dizionario italiano

Add support for Italian to spellchecking

Rated 4 out of 5 stars (71)
75,381 users

Yahoo.com Search

Search on Yahoo (U.S. English)

Rated 4 out of 5 stars (30)
2,017 weekly downloads

Baidu

Baidu Search is the leading Chinese search engine for websites, audio files, and images. This search plugin uses powerful Baidu search engine and supports Baidu Suggest in Chinese

Rated 4 out of 5 stars (70)
1,939 weekly downloads

Polish Spellchecker Dictionary

Polish spell-check dictionary for Firefox, Thunderbird and SeaMonkey.

Rated 5 out of 5 stars (50)
45,937 users