Photo Size Optimizer is a Mac app for resizing and optimizing photos. It offers one-click processing, and dropping a folder into the app starts work immediately. Batch resizing can handle hundreds of photos, and the app supports more than 70 image formats. Its lossless mode saves more than 20% of space while retaining original resolution and quality; lossy mode saves more than 50% with minor quality loss. The maker also lists optimization of PNG, JPG and GIF photos by 80% ~ 20% while keeping original resolution and quality. Export prompts users to decide whether to overwrite original files. The app is listed at 0.00 USD per free with no in-app purchases, and an original price of 29.99 USD per once is also shown. It supports Mac only, and the App Store listing requires macOS 10.6 or later. Apple’s listing says the developer does not collect data from the app.
Who it is for
Photo Size Optimizer suits Mac users who want to resize or compress image files, including batches of photos or folders. Its listed tools include both lossless and lossy modes.
What is good
- Batch resizes hundreds of photos with one click.
- Supports more than 70 image formats.
- Lossless mode retains original resolution and quality.
- Export asks before overwriting original files.
What to know first
- Supports Mac only.
- App Store listing requires macOS 10.6 or later.
- No Windows or mobile platform is listed.
Verdict
Photo Size Optimizer focuses on batch resizing and photo compression, with separate lossless and lossy modes. It is a Mac-only option, and its listed compatibility requirement is macOS 10.6 or later.
Photo Size Optimizer plans and pricing
All plansCompared on photo resizing software
- Free plan
- Yes
- Batch resizing
- Yes
- Output 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
- Resize methods
- dimensions
- Quality controls
- Yes
- Supported platforms
- desktop
