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ImageOptim vs Kraken.io Image Optimizer: Which is Better in 2026?

A side-by-side comparison of ImageOptim (Free) and Kraken.io Image Optimizer (Freemium) — pricing, features, platforms, and user ratings.

TL;DR

Both ImageOptim and Kraken.io Image Optimizer are worth evaluating — neither has enough user reviews yet to declare a clear winner. Compare features and pricing below to find the best fit for your needs.

How ImageOptim compares

 
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ImageOptimThis
Starting priceFreeFree
Pricing modelFreeFreemium
PlatformsmacOSWeb
Top features
  • Lossless Compression
  • Metadata Scrubbing
  • Multi-Engine Optimization
  • Multi-format compression
  • Server-side processing
  • WordPress plugin
Rating

Choose ImageOptim if…

  • you need a completely free solution
  • you need mac support
View ImageOptim

Choose Kraken.io Image Optimizer if…

  • you need web support
View Kraken.io Image Optimizer

Frequently Asked Questions

What is the difference between ImageOptim and Kraken.io Image Optimizer?

ImageOptim and Kraken.io Image Optimizer are both tools in the same category. ImageOptim is free — Compress images without quality loss, strip private metadata, and shrink file sizes — free and open-source on macOS. Kraken.io Image Optimizer is freemium — Compress JPG, PNG, WebP, GIF, SVG, AVIF, HEIC and PDF images on powerful servers — save bandwidth, speed up your websites, and reduce operating costs.. The main differences are in pricing, platform support, and feature focus.

Which is better: ImageOptim or Kraken.io Image Optimizer?

Both ImageOptim and Kraken.io Image Optimizer are worth evaluating — neither has enough user reviews yet to declare a clear winner. Compare features and pricing below to find the best fit for your needs.

Is ImageOptim free?

Yes, ImageOptim is free.

Is Kraken.io Image Optimizer free?

Kraken.io Image Optimizer offers a free tier with limited features. A paid plan is required for full access.

What are the best alternatives to both ImageOptim and Kraken.io Image Optimizer?

If neither ImageOptim nor Kraken.io Image Optimizer meets your needs, you can browse alternatives on each product's alternatives page. MazikBox ranks alternatives by shared categories, platforms, pricing, and user ratings.