packJPG Options/packMP3 Options

 packJPG Options is an official graphical interface for the lossless JPEG compression programs packJPG and packARC, programs specially designed to losslessly compress JPEG files.  JPEG files are typically reduced in size by approximately 20 percent.  JPEG files can be compressed to either PJG files or self-extracting archives (SFX).

Click Thumbnail

packJPG Options presents an intuitive interface to packJPG, affording easy file and option selection.

packJPG Options offers the additional benefit of thumbnail generation for easier photo browsing of associated compressed files.  The setup utility integrates packJPG into Windows for one-click decompression and direct access from Windows Explorer.


packJPG v2.5 and above are incompatible with earlier versions

Earlier version downloads:

The official home of packJPG

packMP3 packMP3 Options is designed for losslessly compressing MP3 audio files by up to 30%.


See also:

Page last updated: April 27, 2016