pngquant
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pngquant is a command-line utility and a library for lossy compression of PNG images.
Cost / License
- Free
- Open Source
Application types
EUPlatforms
- Mac
- Windows
- Linux
Features
- PNG Compression
- Image Processing
- Image Optimizer
- Command line interface
- Portable
- Works Offline
- PNG Optimization
- File Compression
Tags
pngquant News & Activities
Highlights All activities
Recent activities
ImgSmaller added pngquant as alternative to ImgSmaller- K0RR updated pngquant
- RogueScholar added Works Offline as a feature to pngquant
- RogueScholar liked pngquant
Maoholguin added pngquant as alternative to CompressBetter
pngquant information
Developed by
Kornel Lesinski and contributors Licensing
Open Source and Free product.Written in
Alternatives
69 alternatives listedSupported Languages
- English
AlternativeTo Categories
OS & Utilities, Photos & Graphics, File ManagementGitHub repository
- 5,505 Stars
- 498 Forks
- 54 Open Issues
- Updated
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What is pngquant?
pngquant is a command-line utility and a library for lossy compression of PNG images.
The conversion reduces file sizes significantly (often as much as 70%) and preserves full alpha transparency. Generated images are compatible with all modern web browsers, and have better fallback in IE6 than 24-bit PNGs. Features
- High-quality palette generation using a combination of vector quantization algorithms.
- Unique adaptive dithering algorithm that adds less noise to images than the standard Floyd-Steinberg.
- Easy to integrate with shell scripts, GUIs and server-side software.
- Fast mode for processing large numbers of images.