slimg is a fast image optimization tool. It can convert, compress, resize, crop, and extend images using modern codecs.
The software is available as a command-line tool and desktop application.
This is free and open source software.
Key Features
- Convert images between JPEG, PNG, WebP, AVIF, QOI, and JPEG XL formats.
- Optimize images by re-encoding them with configurable quality settings.
- Resize images by width or height.
- Crop images using coordinates or a specified aspect ratio.
- Extend images to a target aspect ratio with padding.
- Transparent backgrounds supported when extending compatible images.
- Batch processing of files and directories.
- Recursive directory processing.
- Parallel processing with configurable worker jobs.
- MozJPEG encoding for JPEG compression.
- OxiPNG optimization with Zopfli compression.
- WebP, AVIF, QOI, and JPEG XL encoding and decoding.
- Cross-platform desktop GUI built with Tauri and React.
- Drag-and-drop file and folder input.
- Before and after image comparison preview.
- Real-time progress for batch processing.
- Available as the slimg-core Rust library.
- Python and Kotlin/JVM language bindings.
Website: github.com/clroot/slimg
Support:
Developer: clroot
License: MIT License
slimg is written in Rust. Learn Rust with our recommended free books and free tutorials.
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Read our verdict in the software roundup.
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