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Caesium Image Compressor vs Pixelmator

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

Caesium Image Compressor icon
Caesium Image Compressor
Pixelmator icon
Pixelmator

Caesium Image Compressor vs Pixelmator: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Caesium Image Compressor Pixelmator
Sugggest Score — —
Category Photos & Graphics Photos & Graphics
Pricing Open Source Subscription

Product Overview

Caesium Image Compressor
Caesium Image Compressor

Description: Caesium is a free, open source image compression software for Windows, Mac and Linux. It allows lossless compression of PNG and JPEG files with compression ratios up to 83% smaller than the originals.

Type: software

Pricing: Open Source

Pixelmator
Pixelmator

Description: Pixelmator is a powerful, fast, and easy-to-use image editing app for Mac. It offers a wide range of professional-grade tools for image editing, painting, retouching photos, designing graphics and more.

Type: software

Pricing: Subscription

Key Features Comparison

Caesium Image Compressor
Caesium Image Compressor Features
  • Lossless compression of PNG and JPEG files
  • Retains full image quality while significantly reducing file size
  • Supports batch compression of multiple images
  • Available on Windows, Mac and Linux
  • Open source software with community support
Pixelmator
Pixelmator Features
  • Full-featured image editor
  • Non-destructive editing
  • Layer-based workflow
  • Selection tools
  • Painting & drawing tools
  • Retouching tools
  • Effects & filters
  • Batch processing
  • Automation
  • Third-party plugin support

Pros & Cons Analysis

Caesium Image Compressor
Caesium Image Compressor
Pros
  • Greatly reduces image file sizes without quality loss
  • Saves storage space and bandwidth
  • Very easy to use with simple interface
  • Completely free with no limits
  • Actively developed and maintained
Cons
  • Limited to only PNG and JPEG formats
  • Fewer features than paid alternatives
  • Slower compression speed than proprietary software
  • No cloud storage or team collaboration features
  • Requires some technical skill to install and use
Pixelmator
Pixelmator
Pros
  • Powerful feature set
  • Intuitive interface
  • Fast performance
  • Great value for money
  • No subscription required
Cons
  • Mac only
  • Limited RAW file support
  • No lens correction tools
  • Less community support than Photoshop

Pricing Comparison

Caesium Image Compressor
Caesium Image Compressor
  • Open Source
Pixelmator
Pixelmator
  • Subscription

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Learn More About Each Product

Caesium Image Compressor
Caesium Image Compressor
Reviews, pricing & alternatives →
Pixelmator
Pixelmator
Reviews, pricing & alternatives →

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