123 DVD Converter and 123 Video Converter may require additional third party components for some functionalities. All software downloads listed here are free.

QuickTime Codec	Required for 123 Video Converter to convert MOV Files. If you have installed QuickTime Player, you don't need to install this codec.
Real Video Codec	Required for 123 Video Converter to convert MOV Files. If you have installed QuickTime Player, you don't need to install this codec.
DivX Codec	Required for 123 Video Converter and 123 DVD Converter to create DivX Videos.
XviD Codec	Required for 123 Video Converter and 123 DVD Converter to create XviD Videos.
MPEG-2 Codec	Required for 123 Video Converter if you have trouble in converting MPEG-2 file. Please note that during installation, check all the four boxes on the window of "Select other filters to install".
WAV to MP3 OGG Converter	A freeware to help you convert WAV files to MP3 or OGG files.