iConvert Icons - iConvert converts and creates Windows, Mac and Linux icons in one step.
FastStone Photo Resizer - Convert and Rename images in batch mode Support JPEG, BMP, GIF, PNG, TIFF and JPEG2000
Faviconer.co - Create favicons from customizable text.
Free Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Ordinatore - Those who want to tidy up their Macs will surely love this application.
Phatch - Phatch = Photo & Batch!