Downloading and File Management
This add-on is intended to ease the life of the regular MEGA user.
Please note this extension is NOT the official from Mega, for the real one please go to: https://mega.nz/#firefox
Preserve Download Modification Timestamp Requires Restart
Preserve the modification timestamp, sent by the server, for downloaded files
Amazing Media Browser Requires Restart
A Multimedia Download Tool
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
MR Tech Toolkit Requires Restart
(Formerly Local Install) The primary goal of this extension is to provide the tools needed to install and manage extensions and themes locally and tons of other features.
Note: With Toolkit 6.0 Auto Archiving is fully working in Firefox 2.0 and temp...
XDM Helper2 Requires Restart
XDM integration module2
YouTube Videos Download in one click Requires Restart
Download YouTube videos by clicking a button underneath videos in YouTube. Save YouTube videos and songs in 1080p (HD) MP4 or FLV format.
This extension to download audio and video from popular video hosting YouTube. To download the available formats mp4, webm, mp4a, mp3.
Forwarding to the available information resources Requires Restart
The system is designed to redirect from alias with obsolete and invalid network and a local address information resources on the act for which the resource is available. The system can perform advanced search resources.
DownThemAll! AntiContainer Requires Restart
Make the resources behind container pages easily downloadable by DownThemAll!
Create a simple html page containing the whole chat. The page will contain only the chat section. All other page elements will be removed. Once the addons ends loading the chat you can save the clean page from your browser.
InlineDisposition changes the disposition of Content-Disposition response headers from attachment to inline; this prevents servers from forcing the browser to save a file and allows that file to be viewed in the browser, if the browser supports it.
OpenDownload² Requires Restart
OpenDownload² extends the "Save" dialog by a "Run" button to open the file directly.
If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.
BackupHelper Plus for ScrapBook Plus / XSidebar Requires Restart
BackupHelper is an Add-On to the firefox extension ScrapBook / ScrapBook Plus. This is modified version of the original Add-On. Uninstall the original BackupHelper before you use this extension.
Zindus Requires Restart
Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)
Cleans your Firefox, Thunderbird, SeaMonkey, Fennec (unstable), Instantbird and BlueGriffon.
ALLYouTubeDownloader Requires Restart
ALLYouTubeDownloader extention (FLV/MP4/WebM; HD/HQ). Windows only. Works only with ALL YouTube Downloader 2.3 application or higher (versions 2.2 and lower doesn't work anymore).
Minimeter Requires Restart
Monitor your provider's upload/download usage meter.
Not maintained anymore, looking for a developer, contact me if you're interested.
VKontakte.ru Downloader (music/videos/photos @ VK) Requires Restart
Download music, videos and photos from VK.com / vkontakte.ru. One-click download, natural filenames, displaying file size and bitrate for music, downloading HD video, downloading HQ photos. No spam, no usage of your account, no spyware.