Photo Size Optimizer for Mac is a powerful photo resizer and optimizer on mac. Photo Size Optimizer for Mac optimizes all photos by 80% to 20% compared to their originals, while keeping their original resolution and/or quality in a batch on Mac. With Photo Size Optimizer for Mac, you can resize hundreds of photos quickly and save huge space and share full-resolution photos with your friends much faster.

Key features of Photo Size Optimizer for Mac:

- One-click photo size optimization on Mac OS X.
- Easy management: When a folder dragged into the application, Photo Size Optimizer for Mac will work on it immediately.
- Support 70+ image formats:
JPG, BMP, PNG, GIF, PDF, PSD, PNT, RGB, ARW, BMPF, CUR, CRW, CR2, DCR, DNG, EPSF, EPSI, EPI, EPS, EXR, EFX, ERF, FPX, FPIX, FAX, FFF, GIFF, G3, HDR, ICNS, ICO, JP2, JFX, JFAX, JPE, JFIF, JPF, MPO, MAC, MRW, MOS, NRW, NEF, ORF, PICT, PIC, PCT, PS, PNTG, PNGF, PEF, QTIF, QTI, RAW, RAF, RW2, RWL, SR2, SRF, SRW, SGI, TRIC, TIFF, TGA, TARGA, TIF, XBM, 3FR, 8BPSR
- Photo sharing becomes more easier.
- More choices:
- Lossless mode will save space > 20%.
Lossless mode compresses and reduces large image size significantly but keep the original resolution, quality.
- Lossy mode will save space > 50% with minor quality loss.