Nconvert (ver 3.87) Abandoned Freeware Universal Image conversion utility (300+ image formats). To list available nconvert options, use the following command (you need to pipe the output through the DOS "more" command due to the quantity of help information that will be displayed): dos4gw nconvert -help | more Assuming you wanted to convert "Test.jpg" into "Test.bmp" (the original file will remain unaltered and a new file will be created), you could use the following command: dos4gw nconvert -out bmp Test.jpg [The "nview" command will let you preview a file. For example, use the command "dos4gw nconvert Test.bmp" to see the new Test.bmp file. Help is available with the command "dos4gw nview -help | more".]