portable photo resizer

FotoSizer Portable Batch Image Resizer

fotosizer-batch-image-file-resizer-screenshotPhotoSizer is a Free Batch Image Resizer or picture editor that can be made to run from a Portable USB device. It supports JPG, PNG, GIF, TGA and BMP image formats.

FastStone Photo Resizer

faststone-photo-resizer-screenshotFastStone Photo Resizer is a portable image editing tool that can be used to easily convert and resize images. In addition it can also be used to rename, crop, rotate, change color depth, add text and watermarks to images all via the easy to use GUI applet or simple drag and drop operation.

XnView - Image Viewer Converter and Resizer

XnViewXnView is an free image viewer, graphical image file converter, and batch image resizer. It can import close to 400 different picture formats and can export around 40 different formats.