Photo Size Optimizer for Mac, a powerful photo re-sizer and optimizer for Mac OS X, allows you to optimize all your photos by 80% ~ 20% comparing to their originals while keeping their original resolution, quality and png, jpg, gif formats. JPG, BMP, PNG, GIF, PDF, PSD, PNT, RGB, ARW, BMPF, CUR, CRW, CR2, DCR Easy management: When a folder dragged into the application, Photo Size Optimizer for Mac will work on it immediately. One-click photo size optimization on Mac OS X.