What is FLV?
Flash Video is a file format used to deliver video over the Internet
using Adobe Flash Player (initially produced by Macromedia) versions
6–10. Until version 9 update 2 of the Flash Player, Flash Video
referred to a proprietary file format, having the extension FLV. The
most recent public release of Flash Player supports H.264 video and
HE-AAC audio. Flash Video content may also be embedded within SWF
files. Notable users of the Flash Video format include YouTube, Google
Video, Yahoo! Video, Reuters.com, metacafe, and many other news
providers.
FLV Downloader for Mac
is a versatile FLV downloader and converter for Mac users. As a Mac FLV
downloader, the program helps you easily batch download and save
streaming flash videos flv from most streaming video websites like
YouTube, Google Video, Myspace, Metacafe, Dailymotion, iFilm, Music,
eVideoShare, StreetFire, Break, Hulu, Metacafe etc. The New York Times,
ifilm, Gofish, Youku, 56, Tudou, etc.
Further more, Mac FLV downloader can convert downloaded FLV video to
video and audio formats inlcuding MP4, M4V, MPEG4, AVI, 3GP, 3G2, MPG,
ASF, M4A, AAC, MP3, AC3, OGG and APE and so on for mobile players such
as iPod, iPhone, PSP, PS3, Apple TV, iRiver, Creative Zen, and so
forth..
FLV Downloader for Mac is the most cost effective way to download and convert FLV files for Mac OS X..
Step by step guide: How to download FLV with FLV Downloader for Mac?
Note: This version is for Mac OS X. If you are using Windows Click here
Step 1, Download FLV Downloader for Mac here then begin to download and convert online FLV video as followed three steps:

Launch FLV Downloader for Mac and Login your Mac account
When first launch Mac FLV Downloader, it pops up a window like below
asking you to input your Mac login account. This step is very important
for the program’s Sniffer function.

Step 2: Download FLV videos
Enter into any popular video-sharing sites, when play your favorite FLV
videos, the program Mac FLV Downloader will automatically detect and
download the FLV videos.

Step 3: Convert downloaded FLV videos on Mac
Locate the files you want to convert, press the Convert button, and
select the output format, then specify the output directory, finally
hit OK button to start conversion.

Tip 1: FLV player for Mac
With FLV downloader for Mac, you can watch the downloaded FLV videos by click PLAY button.

Tip 2: Import local FLV video on Mac
You can play your local FLV videos or convert them to desired video files.
