OIMG

OIMG is a desktop application that helps you optimize your images using modern image formats. Save storage with OIMG!

oimg_demo.mp4

Download

• Windows | winget install oimg
• macOS | brew install --cask yunho-c/tap/oimg
• Linux | curl -fsSL https://apt.oimg.org/install.sh | bash

To support OIMG:

Why OIMG

• OIMG bundles image encoding codecs with state-of-the-art efficiency, including jpegli, oxipng, and libjxl.
• OIMG integrates image quality assessment (IQA) right into your workflow, preventing over-compression.
• OIMG allows you to compare original/optimized images side-by-side and visualize errors (diffs).
• OIMG includes convenient file explorer shortcuts for one-click optimization/conversion.

Supported Formats

• PNG
• JPEG
• WebP
• AVIF
• JPEG XL

Architecture

OIMG is built using Flutter (frontend) and Rust (backend). It is built with SIMD optimizations enabled (for x86 and ARM CPUs) and utilizes multithreading wherever possible.

Contribute

OIMG is completely open source. Feel free to contribute by creating issues or pull requests!