Simple Image Resizer – SIR is a tool created for batch parallel re-sizing, rotate and converting images with metadata support. You can add frame or text and apply color and gradient filters on your images. You can also manipulate on histogram. Finally you can do this all activities on many images at the same time using your multiple core CPU. Key features include support for a wide range of image file formats, which includes JPEG, JPG, PNG, GIF, BMP, XPM, PGM, PBM and PPM, support for previewing and converting RAW images through the dcraw application, as well as the ability to rotate images.