Up & Coming Extensions
Manage your installed personas (lightweight themes).
List the hosts, and corresponding network addresses, from which a page and its resources are loaded.
Thumbnail Zoom Plus Requires Restart
Shows full image when you hover over a thumbnail. Works with Amazon, Baidu Images, Bing Images, Facebook, Flickr, Google+, Google Images, IMDb, LinkedIn, Netflix, Pinterest, Reddit, Twitter, Yandex, YouTube, Wikipedia, Yahoo Images, & many more.
Image Zoom Requires Restart
Adds zoom and rotation functionality for images...
Restores version numbers for all installed add-ons inside Add-on Manager on Firefox, Thunderbird and Seamonkey.
SeaTab-X-2 Requires Restart
Adds Firefox-style tab closers into SeaMonkey.
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.
MinimizeToTray revived Requires Restart
Minimizes windows into the system tray.
Strike the 'T' key to sort messages by thread, strike the 'U' key to sort them unthreaded again, just like the 'G' key switches to Grouped By Sort view
NewsFox Requires Restart Featured
NewsFox is an efficient 3-pane(email) style Atom/RSS feed reader.
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.
Speed Dial & Start Page with flexible layout for fast access to sites via visual bookmarks
F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.
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
CipherFox Requires Restart
Displays the current SSL/TLS cipher, protocol and certificate chain in the Add-on bar and Site ID dialog
Sun Cult Requires Restart
Worldwide Sunrise, Sunset, Twilight, Moonrise and Moonset...
ImageTweak: zoom/rotate images and videos! Requires Restart
A no-clutter image viewer for Firefox that allows you to zoom, rotate and display images/videos against a custom background. ImageTweak is a must-have addon for any photographer or photography-loving user.
Library Exporter Requires Restart
IMPORTANT: This add-on is just for exporting ebooks from EPUBReaders private library. If you want to read ebooks, please install https://addons.mozilla.org/firefox/addon/epubreader/.
Open about:config to change hidden settings that cannot be edited from the Options window. All Mozilla based programs have settings that can not be changed in the options window.
JunQuilla Requires Restart
1) adds column with percent likelihood that a message is spam, 2) extends junk status column to show why a message was classified as junk/good, 3) adds an Uncertain folder for messages needing user decision.