Download of wxPackJPG 1.2.0 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions of the software 1.2 and 1.1. This PC software can be installed on 32-bit versions of Windows 7/8/10/11.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. WxPackJPG lies within Photo & Graphics Tools, more precisely Converters. The actual developer of the free software is Roman Hiestand. The common filename for the program's installer is wxPackJPG.exe.
From the developer:
wxPackJPG is an open source program that allows you to losslessly compress image files in the JPEG format. wxPackJPG will use every core to compress JPEG files, if multiple files are selected. The program can also be used to backup image files in the JPEG format.
You may want to check out more software, such as GrowCut, Image Converter Wide or PhotoWorker, which might be related to wxPackJPG.