.JPM File Extension

JPEG 2000 Compound Image

Developer Joint Photographic Experts Group
1.0  |  2 Votes

What is a JPM file?

A JPM file is an image saved in a variant of the JPEG 2000 (.JP2) image format. Typically, JPM files are multi-page documents comprised of multiple, layer-based images. JPM files are uncommon, so most image viewers cannot open them.

More Information

JPEG 2000 is a raster image format that was meant to improve upon and replace the .JPEG format. In part six of the document defining the JPEG 2000 format, the Joint Photographic Experts Group defined a variant of the JPEG 2000 format that could be used to store multi-page, layer-based images. This variant is often referred to as the JPEG 2000 Compound or JPM format.

However, neither the JPEG 2000 nor the JPM format caught on among developers or users. Thus, JPEG 2000 (or JP2) files are uncommon, and JPM files are even more rare. For this reason, not all image viewers support the JPEG 2000 format, and even fewer support the JPM format.

How to open a JPM file

You can open a JPM file with IrfanView (Windows). To do so, you must first install and enable the JPM plug-in available from IrfanView's website. After you install and enable the plug-in, you will be able to open JPM files with IrfanView.

How to convert a JPM file

IrfanView (with the JPM plug-in installed) can convert JPM files to several other image formats, including but not limited to:

  • .JPG - JPEG Image
  • .BMP - Windows Bitmap Image
  • .GIF - Graphical Interchange Format
  • .TGA - Targa Graphic
  • .TIF - Tagged Image File
  • .WEBP - WebP Image
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Programs that open JPM files


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