ImageOptim makes images load faster. Removes bloated metadata. Saves disk space & bandwidth by compressing images without losing quality.
Developed by porneL
Caesium is ideal for users needing batch processing and multiple format support with customizable settings, while ImageOptim offers a more user-friendly experience with a focus on web optimization and preview features.
Caesium
Pros:
Supports multiple file formats including JPG, PNG, and GIF
Batch processing for multiple images
Drag and drop functionality for easy use
Customizable settings for different compression levels
Integration with various workflows and applications
Cons:
May not provide enough compression for professional use
Limited advanced editing features
Some users report slower performance with large files
ImageOptim
Pros:
Lossless and lossy compression options
User-friendly interface with simple navigation
Can optimize images for web and mobile
Supports a wide range of file formats
Preview feature to see the quality before saving
Cons:
Limited batch processing compared to Caesium
No advanced configuration options for experienced users