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RequestPolicy Requires Restart

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Rated 4 out of 5 stars (215)
9 users

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Google.de

Google Deutschland

Rated 3 out of 5 stars (13)
296 weekly downloads

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Danish Dictionary for the Spell Checker

Danish dictionary for Firefox, Thunderbird and other Mozilla products.

Rated 3 out of 5 stars (25)
4,172 users

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Live HTTP Headers (clone)

View HTTP headers of a page and while browsing.

This is an unofficial "Live HTTP headers" clone, mainly to fix the Replay feature!

Rated 4 out of 5 stars (17)
3 users

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Dogpile

Dogpile.com Web Search

Rated 5 out of 5 stars (35)
284 weekly downloads

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Diccionario de Español/Chile

Diccionario corrector ortográfico de Español/Chile

Rated 5 out of 5 stars (4)
2,878 users

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English - Greek Spelling dictionary

English-Greek spell-checking dictionary for Firefox, Mozilla thunderbird and Seamonkey mail for easier spell checking in bilingual text.If you need better spelling results try the respective stand-alone...

Rated 4 out of 5 stars (74)
3,640 users

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DuckDuckGo Deutsch

Die datenschutzfreundliche Suchmaschine DuckDuckGo in der Region Deutschland.

Rated 5 out of 5 stars (4)
267 weekly downloads

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YouTube (SSL)

YouTube is the world's most popular video sharing website. This search bar extension utilizes SSL to protect searches between You and YouTube.

Rated 5 out of 5 stars (9)
266 weekly downloads

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Google - No Country Redirect

Google Search without Country Redirect

Rated 5 out of 5 stars (18)
265 weekly downloads

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IMDB

The Internet Movie Database.

Rated 4 out of 5 stars (42)
262 weekly downloads

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Online TV

Search for up to 1000 online TV channels

Rated 4 out of 5 stars (20)
262 weekly downloads

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谷歌中国

安全谷歌,你懂得。中国区专用.

Rated 5 out of 5 stars (1)
259 weekly downloads

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Wikipedia

The incredible free encyclopedia.

Rated 4 out of 5 stars (48)
257 weekly downloads

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Complete YouTube Saver Requires Restart

Download YouTube videos in various formats including 1080p, 4K etc (DASH formats). Convert audio track from videos to MP3 or WAV, or save audio in native format (Ogg, AAC/M4A, MP3, OPUS). Save YouTube page, video, comments and subtitles to one folder

Rated 4 out of 5 stars (185)
107 users

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Toolbar Buttons

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

Rated 4 out of 5 stars (372)
325 users

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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 (66)
256 users

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Arabic spell-checking dictionary

Arabic spell-checking dictionary for Firefox 3 and Thunderbird 3 from Ayaspell.

Rated 4 out of 5 stars (43)
679 users

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United States English Spellchecker

This dictionary is no longer maintained. Use this dictionary instead.

Rated 4 out of 5 stars (207)
4,809 users

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Copy Urls Expert Requires Restart

Copy multiple urls (links) to clipboard. Provides options to copy urls of all opened tabs and urls in selected text. You can customize the format of copied urls. You can also open multiple links from clipboard.

Rated 4 out of 5 stars (87)
11 users

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