Updated Dec 27, 2018

Combine the key files of the following three tools in one folder.
1. xConvert (released on 20050523): An enhanced shell of three well-known image convertors - Ghostscript, ImageMagick and IrfanView, which can support more than 30 image formats.
http://www.hooklee.com/default.asp?t=TeX%2FLaTeX

2. ImageMagick-7.0.8-20-portable-Q16-x86.zip
https://www.imagemagick.org/script/download.php

3. Ghostscript 9.26 for Windows (32 bit)  GNU Affero General Public License
https://www.ghostscript.com/download/gsdnld.html



Usage:
1. Put the images to be convered in this folder;

2. Edit xConvert.bat.
The command "xConvert *.jpg *.pdf" will convert all images of extension .jpg into the files of format .pdf.
The command "xConvert *.eps *.pdf" will convert all images of extension .jpg into the files of format .pdf.

3. Click xConvert.bat.


