Add-ons
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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).
Homepage: http://www.allplayer.org/youtube-to-allplayer
Rai Smooth Streaming Player (raismth)
Requires Restart
Rai.tv live channels, vod and replay contents w/o *light (Silverlight/Moonlight)
URL Flipper
Requires Restart
Quickly and easily increment and decrement numbers and strings in URLs for navigating through URL sequences.
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.
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.
CSHelper
Requires Restart
This extension packages versions of the CamStudio recorder application and the XVID Codec. It is primarily intended to be used with the screen capture feature of the Video DownloadHelper add-on, when on Windows.
Foxfiltre
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.
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
Perfect View
Image viewer with smooth dynamic zoom, pan and rotate. View slide shows of images or files and capture page elements and tab content. Apply image filters. Save images in various formats.
Simple Steganography
Requires Restart
Hide messages in PNG-32 images, extract them via context menu. The text is embedded invisibly by a "Least Significant Bit" algorithm.
You can also encode very short messages by re-sorting text lists and extract them via context menu.
Force HTML5 Video Player at vk.com (ВКонтакте.ру)
Requires Restart
Принудительный вызов HTML5 плеера ВКонтакте даже при наличии Adobe Flash (можно отключить это поведение в настройках аддона).
Force load of HTML5 video player of vk.com even when Abode Flash is avaliable.
Pic Zoom
Image Zoom (ugly fixes)
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.
FlashResizer
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.
Browser Backgrounds
Requires Restart
Browser Backgrounds is the new Firefox extension that lets you install backgrounds directly on your browser.
Play drums!
HTML5 LoopTo create your own collections, you must have a Mozilla Add-ons account.
