WxPackJPG

As the name suggests, the WxPackJPG tool only accepts JPG images for compression. The interface of WxPackJPG is intuitive and it has the necessary tools for compression and decompression on separate tabs.  It also compresses multiple files at the same time. WxPackJPG can also be used to backup images in the JGEP format and uses 20% less disk space.  Also, it can be restored in bit identical files.