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4K Image Compressor vs ImageOptim

Side-by-side comparison for macOS

4K Image Compressor

6.0
Media & Design

Image compressor

ImageOptim

7.5
Media & Design

Tool to optimise images to a smaller size

Metric 4K Image Compressor ImageOptim
Category Media & Design Media & Design
AI Score 6.0 7.5
30-day Installs 20 622
90-day Installs 33 1.9K
365-day Installs 87 7.7K
Version 1.5.0 1.9.3
Auto-updates No Yes
Deprecated No No
GitHub Stars 9.7K
GitHub Forks 458
Open Issues 195
License GPL-2.0
Language HTML
Last GitHub Commit 2y ago
First Seen Oct 4, 2025 Aug 9, 2023

Reviews

4K Image Compressor

4K Image Compressor is a tool for compressing images, particularly 4K, without significant quality loss. It's ideal for photographers and designers needing efficient file management.

Compresses images to reduce file size while maintaining quality.

Pros

  • + High-quality compression
  • + Supports 4K images
  • + Batch processing

Cons

  • - No auto-updates
  • - Low installation count

ImageOptim

ImageOptim is a popular macOS app that optimizes images to reduce file size without compromising quality. It's widely used by web developers and designers to enhance website performance and is known for its effectiveness in cutting image file sizes significantly.

Optimizes images to smaller sizes without losing quality.

Pros

  • + Highly effective in reducing image file sizes without quality loss.
  • + Popular and widely recognized in the developer community.
  • + Open-source with a strong community support.
  • + Good integration with macOS ecosystem.

Cons

  • - Outdated user interface.
  • - Lacks lossy optimization options, which some users desire.