easyDCP Creator and easyDCP Creator+ allow to convert QuickTime-videos to DCPs.
1. Create a new 2k or 4k DCP project, dependig on the resolution of your QuickTime movie.
2. Click on the "Picture" button and select the QuickTime file.
3. Click on the "Sound" button and select the same QuickTime file again.
4. Now drag & drop both track files into the first reel of a new composition, edit the composition´s title and click the "Generatre DCP" button.
For further information please refer to: