Opening an MJP File

The MJP file type is primarily associated with Media Center.

MJPFile Extension MJP
File extension: MJP
File type:  plug-in

What is an MJP file?

MJP files mostly belong to Media Center by J. River. MJP filename extension is associated with videos encoded using Motion JPEG (MJPEG) compression format. An MJP file contains video sequences where each frame is a separate JPEG image. MJP video format is mainly used as a proprietary format for capturing videos on LG cell phones. The intraframe compression method used to compress MJP videos reduces processor requirements and significantly reduces quality losses because it has higher tolerance levels for rapidly changing motion in a video stream. MJP filename extension is also associated with plug-in files used to add functionality to Media Center, a multimedia playback software. MJP filename extension is also associated with an older video format used to render intros, simulations etc. in Spider-Man: Countdown To Doom console video game.

How do you open MJP files?

You need a suitable software like Media Center to open an MJP file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your MJP file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a MJP file directly in the browser:. Just drag the file onto this browser window and drop it.

Online MJP Text Viewer

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Programs that open and convert MJP files:

  1. Media Center by J. River
    See the previous paragraphs to learn more about the main application. MJP files are often referred to as Media Center plugins because this type of file is primarily created or used by this software.
  2. Mplayer (video) by Mplayer Team
    MPlayer is an open-source, cross-platform multimedia software capable of playing various video and audio formats. MJP videos are playable with MPlayer. This file format is classified as Video. Related links: Motion JPEG, Motion JPEG 2000
  3. The Amazing Spider-Man: Countdown to Doom (video) by Vtech
    The Amazing Spider-Man: Countdown to Doom is a discontinued video game designed for VTech's V.Flash game consoles. The game used MJP as a movie container format for storing videos. This file format is classified as Video. Related links: MJP Format Wiki

MJP file format:

The file format determines how the data is stored in the file. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. If there are problems opening a file, you must first determine the file format used. Below you will find our evaluation of the MJP files:

The MJP file extension is quite common and mainly uses a defined MJP format. The two most common formats are as follows:

The remaining 15% of all MJP files are files with no common format, often e.g. J.River Media Center plugin, RIFF and VBS. They are often associated with register, view, customer, exterior, diesel or park. Just click the "Choose your .mjp file to analyze" button on this page to find out what your MJP file is.

Technical Data for MJP File Extension

File classification:
Plugin
Related files:
mpj, mfr, mup, jpg, mjb, sig, mov, zip, exe, mp4, tn, dvr-ms

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: MediaJukebox.Pack, FileType: MediaJukebox.Pack, AppName: Package Installer

ProgramID: MediaJukebox.Pack
EXEFile: %ProgramFiles%\J River\Media Center\PackageInstaller.exe /Install %L

ProgramID: MediaJukebox.Pack
EXEFile: PackageInstaller.exe /Install %L

ProgramID: MediaCenter.11.Pack
EXEFile: %ProgramFiles%\J River\Media Center 11\PackageInstaller.exe /Install

ProgramID: CtraxPlayer.2.Pack
EXEFile: %ProgramFiles%\Ctrax Player\PackageInstaller.exe /Install

ProgramID: EsmasPlayer.1.Pack
EXEFile: %ProgramFiles%\J River\Esmas Player\PackageInstaller.exe /Install

ProgramID: MediaJukebox.Pack
EXEFile: %ProgramFiles%\J River\Media Jukebox\PackageInstaller.exe /Install


an mjp plug-in is a special file format by J. River and should only be edited and saved with the appropriate software.

How to solve problems with MJP files

  • Associate the MJP file extension with the correct application.
  • Update your software that should actually open plug-ins. Because only the current version supports the latest MJP file format. Search, therefore, e.g. on the J. River manufacturer website after an available Media Center update.
  • To make sure that your MJP file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .MJP file online - secure, fast, and no downloads needed.
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