Flash Converter

It enables you to convert FLV format or SWF format into various video formats.

Flash Converter is a useful tool that enables you to convert FLV format or SWF format into one of the many output video or audio formats.

Also you can extract audio from rmvb video.
The app supports the following output formats: MOV, MPEG, MP4, AVI, ASF, RM, AU, MP3, AIFF and FLAC.