"FLV Converter." Brothersoft Editor: FLV Converter can convert videos to FLV format. Popular video formats like MPEG, AVI, WMV, DivX, XviD, MP4, MOV, M4V, ASF, and RM are supported. Make fun flash videos from your photos, split output file and customize file size according to your preferences. Audio files with extensions like MP3, M4A, AC3, AAC, WMA and OGG are also supported to convert into FLV file.