Skip to content

OptiPNG vs Photo Size Optimizer

Professional comparison and analysis to help you choose the right software solution for your needs.

OptiPNG icon
OptiPNG
Photo Size Optimizer icon
Photo Size Optimizer

OptiPNG vs Photo Size Optimizer: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature OptiPNG Photo Size Optimizer
Sugggest Score — —
Category Photos & Graphics Photos & Graphics
Pricing Free —

Product Overview

OptiPNG
OptiPNG

Description: OptiPNG is an open-source PNG optimizer that reduces the file size of PNG images while preserving transparency. It works by applying lossless compression and interpolation methods.

Type: software

Pricing: Free

Photo Size Optimizer
Photo Size Optimizer

Description: Photo Size Optimizer is a software tool that allows you to easily compress image files to reduce their size while maintaining image quality. It supports batch optimization of JPG, PNG and GIF files.

Type: software

Key Features Comparison

OptiPNG
OptiPNG Features
  • Lossless compression of PNG images
  • Removes unnecessary metadata
  • Optimization of IDAT chunk ordering
  • Interlacing optimization
  • Color palette optimization
  • Grayscale conversion
  • Bit depth reduction
Photo Size Optimizer
Photo Size Optimizer Features
  • Batch image compression
  • Preserve image quality
  • Compress JPG, PNG, GIF
  • Adjustable compression levels
  • EXIF data preservation

Pros & Cons Analysis

OptiPNG
OptiPNG
Pros
  • Significantly reduces PNG file sizes
  • Lossless optimization preserves image quality
  • Open source and free
  • Works on Linux, Mac and Windows
  • Easy to use with command line interface
  • Can process multiple PNG files at once
Cons
  • Command line only, no GUI
  • Fewer features than some paid PNG optimizers
  • Slower than some alternatives
  • Requires technical knowledge to use command line
  • Not ideal for optimizing PNGs in bulk
Photo Size Optimizer
Photo Size Optimizer
Pros
  • Easy to use interface
  • Fast batch processing
  • Multiple file formats supported
  • Flexible compression options
  • Retains image metadata
Cons
  • Limited to image compression features
  • No advanced editing capabilities
  • Only available for Windows

Pricing Comparison

OptiPNG
OptiPNG
  • Free
Photo Size Optimizer
Photo Size Optimizer
  • Not listed

Related Comparisons

Caesium Image Compressor
vs OptiPNG vs Photo Size Optimizer

Learn More About Each Product

OptiPNG
OptiPNG
Reviews, pricing & alternatives →
Photo Size Optimizer
Photo Size Optimizer
Reviews, pricing & alternatives →

Ready to Make Your Decision?

Explore more software comparisons and find the perfect solution for your needs

OptiPNG Alternatives
Photo Size Optimizer Alternatives
Browse More Software