RealMedia Variable Bitrate (RMVB) is a variable bitrate extension of the RealMedia multimedia container format developed by RealNetworks. RealMedia uses compression similar to MPEG-4 Part 10 codecs, such as x264. RMVB is typically used for multimedia content stored locally. Files using this format have the file extension ".rmvb".
Rmvb will be more and more popular, however, there is also a pain for many of us. Just like import rmvb to imovie, we can't import rmvb into imovie directly, because imovie can't support .rmvb format, it just support like mp4, dv, ect. So if we want to import rmvb to imovie, we should need a converter to convert rmvb to imovie compatible format files.
Rmvb Converter for Mac just is the software we need, it can help us to convert rmvb to imovie, with the powerful Rmvb to iMovie Converter, we can easily to import rmvb to imovie. It is easy to use, and very powerful, except this, it also can convert your video to other format, and import your video to other device, just like iPhone/iPod/PSP/Apple TV, etc.