You can watch FLV with Moyea FLV Player. you can download FLV with Moyea YouTube FLV Downloader. You can convert videos to FLV with Flash Video MX Pro. You can convert FLV to Videos with FLV Editor Pro.
uSeesoft FLV Converter can do it for you it can convert FLV and YouTube videos to almost any video/audio format with unmatchable conversion speed and high quality, such as converting FLV to WMV, converting FLV to AVI, converting FLV to MP3, converting FLV to MPEG, converting FLV to MP4, etc.
I think is FLV to Video Converter Pro 2. The best FLV to Mp4 Converter.
I always use Nidesoft video converter, this converter can convert flv to mp4 in high quality at fast speed, besides, it can convert between almost all oher popular video and audio formats. it is also easy to use, only a few clicks were needed.Convert any online flv / youtube video to iPod / zune / PSP / MP3 / MP4 Portable player directly.it is full free!!You can use moyea flv converter and FLV to AVI MPEG WMV 3GP MP4 iPod Converter V4.2, both of them are professional FLV converter software which can convert Flash Video FLV to AVI, FLV to MPEG, FLV to WMV, FLV to 3GP, FLV to MP4, FLV to iPod, etc.
You'd have to download the .flv codec for it. You have other choices such as Winamp to play FLV files as well.
I think the FLV to AVI MPEG WMV 3GP MP4 iPod Converter is your best choice, it always works well for me. it can convert Flash Video FLV to AVI, FLV to MPEG, FLV to WMV, FLV to MP4 format.with excellent quality.
Use freeware like moyea flv player, sothink flv player, etc. http://www.flash-video-soft.com/freeware/ To open FLV files an FLV player is needed. There are so many free flv players, you can google them. However, to me, I prefer this program: Aunsoft FLV Player. As it's easy-to-use and totally free. It can play local FLV files or those from Youtube, Google Video, etc. With it, I can enjoy flash videos with no audio distortion or video stuck. You can free download here: http://www.aunsoft.com/flv-player/
You can use SWF & FLV Toolbox by Eltima Software.
You need two things: a flv encoder and a web-based flv player. Why? Because a flv encoder is used to convert your avi to flv and a web-based flv player is used to play the resulting flv on website. First thing, flv encoder. Good and free flv encoder like Moyea Video4Web Converter, which you can try. The second thing, flv player. You can use playerdiy.com, it is a quick way to make flash video player for website. On mac, Doremisoft AVI to Flash converter for mac makes these tough work easy by a few steps. With mac AVI to FLV converter, you are allowed to convert the common format AVI to FLV(flash video), convert AVI to SWF and generate a HTML web page embedded with Flash video.
Currently, RealPlayer 11.0 and up supports FLV file playback. Many other media players such as Windows Media Player with codec pack, QuickTime, VLC Player... also support FLV. get a freeware like sothink flv player So in order to play flv files, an flv player is needed. You can download Aunsoft FLV Player to view flv videos. It's free and easy-to-use. It can open local flv files or those from Youtube, Google Video, Yahoo Video, Myspace, etc.
Basically a FLV Player plays FLV Files (Flash Video Files) Similar to those on YouTube. FLV Player is a tool that can play Flash FLV and H.264 coded MP4, MOV, 3GP, 3G2, etc. It supports both local FLV files from PC and from internet streaming content. The most frequently used FLV Player for PC is, for example, FLV Player by Martijn de Visser and VLC media player. On the other hand, the FLV Player for internet is operated by addons from adobe flash player and it can be created by adobe flash cs4 due to the fact that the FLV Player itself is a SWF file.
Here is a guide about how to convert FLV to WMV, same way to convert FLV to AAC because Daniusoft video converter support convert FLV to AAC too.