As a free video downloader, Sothink Web Video Downloader for Firefox can capture videos intelligently; download videos and FLV from YouTube, Google, MSN and almost all popular video sites. It is a cross-platform video downloader, supporting Windows, Linux and Mac OS X (x86) or Mac OS X (PPC). Just one-click, you can download video of various formats with ease, such as downloading FLV, WMV, ASF, AVI, MOV, RM, RMVB etc.

Not only downloading embedded Flash video, this web video downloader can also download Flash SWF movies including Flash games, e-cards, presentations, etc. The FLV video downloader synchronizes hot videos with the program, and always transfers latest video information without browsing all video sharing sites. A built-in Flash video player is also provided to preview the downloaded FLV videos.

Features
Capture Video and Download Video
Auto-detect video and prompt new videos detected from the current browsing page by a dynamic icon on Firefox toolbar.
Capture videos, download videos and save videos fast from YouTube, other video sites and blogs.
Capture Flash SWF contents with one-click
Download video formats including FLV, WMV, ASF, AVI, MOV, RM, and RMVB
Get the actual URLs from online Web videos and Flash SWF movies

Transfer latest video information
Offer hot videos resources within the program
Save time to get more videos downloaded without surfing all video sharing sites.

Well-suited Video Preview and Play Solution
The built-in Flash Video Player for instant video preview
A 100% free FLV Player is also provided to watch the downloaded FLV video offline conveniently. (only under Windows)

Fast and easy-to-Use
Clean, user-friendly, and super light
Work as a simple Firefox extension
Support customizing video download icon in Firefox
Download video Fast
Easy to pause and resume video download6. Keep history of downloaded and captured video and Flash file