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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.
Danish Dictionary for the Spell Checker
Danish dictionary for Firefox, Thunderbird and other Mozilla products.
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!
Save Images Requires Restart
Save Images saves the images from the current tab page, from the cache, to a specified location, with either the images original file name or a file name that you specify.
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...
DuckDuckGo Deutsch
Die datenschutzfreundliche Suchmaschine DuckDuckGo in der Region Deutschland.
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.
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
ChatZilla Requires Restart
A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.
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.
To create your own collections, you must have a Mozilla Add-ons account.