4K Image Compressor alternatives

4K Image Compressor is a proprietary app for Mac and Windows. It offers a free version with paid upgrades (one-time $18–183). Developed by InterPromo GMBH.

Alternatives

• Image Toolbox
• Caesium Image Compressor
• ImageOptim
• FileOptimizer
• Squoosh
• Switcheroo Image Manipulation
• RIOT - Radical Image Optimization Tool
• Converseen
• FFShare
• TinyPNG
• FastStone Photo Resizer
• Light Image Resizer