File Extension PJG

.PJG File

File extension: PJG
File type: Lossless JPEG Compression (JIFIF Complient)


Notes about the PJG file extension:



Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.

The PJG file type is primarily associated with 'packJPG' by Hochschule Aalen.

From 2004 to 2008, new research has emerged on ways to further compress the data contained in JPEG images without modifying the represented image.

A freely-available tool called packJPG is said to do this and is based on the 2007 paper Improved Redundancy Reduction for JPEG Files.

Extracting PJG files produces the original JPEG file bitwise depending on options chosen. However they act as a solid archive and may not be directly viewable. A plug-in for XnView exists.


Detailed information for file extension PJG:


Primary association: packJPG
Company: Hochschule Aalen
File classification: Graphic
Related links: Wikipedia JPEG Lossless Compression Info, XnView Plug-in List/Links

Other applications associated with file type PJG:

  • Photo Assistant (Image)Photo Shops use this format so the customers only can reprint photos in the shop. This association is classified as Graphic.



Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.
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