PicuSizer supports many image formats including formats like GIF, JPEG, JPEG-2000, PNG, BMP
AutoDWG,
Clicking the right mouse button while the mouse cursor is over the image you will convert all images to chosen format or, alternatively get pop-up menu
PDF,
Publisher:SharpSoft OSSupport:Windows 95/98/Me/NT/2000/XP/2003 License:Freeware Size:512 KB
PicuSizer®, is a free, powerful and easy-to-use program to batch convert and write images in a large variety of formats
DWG,
It contains various items for controlling how the image in that view is displayed
Converter,