4Videosoft BlackBerry Video Converter for Mac is one professional Mac BlackBerry Video Converter, which can easily convert any video files to BlackBerry supported video and audio formats. This BlackBerry Video Converter for Mac can convert video to various BlackBerry versions: BlackBerry Storm, BlackBerry Bold, and other BlackBerry players. With this Mac BlackBerry Video Converter, you can modify the video effect before conversion. You can choose to convert part of the source video file and choose to convert multiple video clips into one big file for output. The video brightness, contrast, saturation and play screen are also can be changed.