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Easiest YouTube Video Downloader
This Addon simply adds a dropdown button that lets you download YouTube Videos in various Formats. Download YouTube Videos in FLV, 3GP, MP3, MP4, 720p, 1080p in a single click.
Extended Link Properties + (obsolete) Requer reinicialização
This application extends the Link Properties and displays File Size, Last Modified Date, Content Type and HTTP Header of a link...
Warning: developing discontinued, see least
Update Notifier Requer reinicialização
Note from Mozilla: This add-on has been discontinued. Try Add-on Update Checker instead.
Notifies you when updates are available for your extensions and themes.
DownloadStudio Firefox Integration Requer reinicialização
Firefox Integration for DownloadStudio
InlineDisposition
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.
Google Docs Viewer (PDF, DOCX, PPTX, XLSX, etc...) Requer reinicialização
View publicly-accessible PDF, DOCX, PPTX, XLSX, among other files online with Google Docs by only 2 clicks. Click as usual for your default viewer. Support bookmarked URLs. Security and your explicit viewing intention are always honored.
File Title Requer reinicialização
With this extension you can save HTML pages like in Microsoft Internet Explorer. Default filename is generated according to HTML tag TITLE.
YouTube Downloader and Converter Requer reinicialização
Easy to Download YouTube Videos in FLV and MP4 and Convert to MP3,AVI etc.
Youtube MP3 Podcaster Requer reinicialização
Self contained add-on for downloading youtube videos to mp3 for easy listening on podcasting gadgets like a Zune or iPod
DownThemAll! AntiContainer Requer reinicialização
Make the resources behind container pages easily downloadable by DownThemAll!
CopyPageInfo Plus for ScrapBook Plus / XSidebar Requer reinicialização
CopyPageInfo Plus is an Add-On to the firefox extension Scrapbook Plus by haselnuss or ScrapBook with XSidebar for Seamonkey. This is modified version of the original Add-On. Uninstall the original CopyPageInfo before you use this extension.
BatchDownload Requer reinicialização
Like FlashGet's batch download,but special designed for some image site!
Mozilla Archive Format, with MHT and Faithful Save Requer reinicialização
— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!
iMEGA
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
Save Images Requer reinicialização
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.
PageTweak - Ad Blocker, Video Downloader, Translator...
The Ultimate Webpage Enhancer! Instantly add many tweaks to any webpage including: Ad block, flash block, video download, remove delays, tooltip translation, link checker, rounded corners, auto pagerize, and more. A must have for all web users.
XDM Hook for Linux & Mac OS X Requer reinicialização
XDM integration module for Firefox on Linux and Mac
Para criar as suas próprias coleções, você deve ter uma conta no Mozilla Add-ons.