Some rare .jdr files are simply MPEG streams with a wrong extension.
Click the or Folder icon within the software to navigate to your SD card. convert jdr file to mp4
The app typically converts the proprietary JDR stream into a standard MP4 or AVI file during the download process so it can be saved to your camera roll. How to Open JDR Files (IROAD PC Viewer) 9 Feb 2026 — Some rare