The File Extensions Database


.MJP2 File Extension

  • Developer by: The MPlayer Team
  • Category: Digital video and movie Files

What is an .MJP2 file?

.MJP2 is JPEG 2000 motion sequence format (ISO 15444-3)

The mjp2 file extension is associated with the JPEG2000 file format, an image compression format based on the wavelet technology. The format itself is defined by several standards (parts), from the basic coding system, to support of other various aspects.

The mjp2 format contains timed sequences of images (motion sequences), which can also be combined with audio to overall presentation file. The MJ2 format is described in JPEG 2000 (PART 3) standard, which is also known as ISO/IEC 15444-3.

The .mjp2 files are basically JPEG2000 "movies" and are more common on Mac platform. MJ2 file extension is preferred for the Windows.


How to open:

Use MPlayer to playback *.mjp2 video files.

How to convert:

Possibly can be exported to other formats.

How to solve problems with MJP2 files

  • Associate the MJP2 file extension with the correct application. On :
    Windows: Right click on any MJP2 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.MJP2 files". Mac: Right click (or Ctrl-click) the MJP2 file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .MJP2 is JPEG 2000 motion sequence format (ISO 15444-3). Because only the current version supports the latest MJP2 file format. Search, therefore, e.g. on the The MPlayer Team manufacturer website after an available .MJP2 is JPEG 2000 motion sequence format (ISO 15444-3) update.
  • To make sure that your MJP2 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.