PngOptimizer
PngOptimizer is a free software that optimizes PNG images by losslessly compressing them to reduce file size. It works on Windows, Mac and Linux.
png
optimizer
compression
graphics
PngOptimizer: Free PNG Image Compression
PngOptimizer is a free software that optimizes PNG images by losslessly compressing them to reduce file size. It works on Windows, Mac and Linux.
What is PngOptimizer?
PngOptimizer is a free, open source utility for optimizing PNG images. It analyzes PNG files and losslessly compresses them to reduce file size, without losing any information or quality. The optimized images will look visually identical but take up less storage space and load faster.
PngOptimizer works by running multiple optimization algorithms including color type/palette reduction and IDAT chunk compression. It removes unused metadata and uses improved entropy encoding like zopfli compression to minimize the PNG data stream.
PngOptimizer is available for Windows, macOS and Linux. It has a simple drag-and-drop interface for batch optimizing multiple PNGs at once. Lossy options are also available to trade off quality for smaller sizes. The portable version lets you run PngOptimizer without installation.
Overall, PngOptimizer is an easy way to shrink PNG file sizes for faster websites. As a free and effective PNG compression tool, it can optimize PNGs from any source with just a few clicks.
PngOptimizer Features
Features
- Losslessly compresses PNG files to reduce file size
- Supports PNG, APNG and MNG file formats
- Works on Windows, Mac and Linux
- Has command line interface and GUI
- Preserves transparency and metadata
- Batch optimization of multiple images
- Drag and drop support
- Custom compression levels
Pricing
- Free
- Open Source
Pros
Free and open source
Simple and easy to use
Effective compression to reduce file sizes
Cross-platform compatibility
Preserves image quality
Fast batch processing
Actively developed and maintained
Cons
Limited to PNG file format only
No advanced editing features
Compression results can vary
GUI is basic and minimal
Requires technical knowledge to use CLI
Official Links
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