Compress PNG Online
Optimize PNG images with lossless compression. No quality loss, smaller files. 100% private.
Your files never leave your device
Lossless PNG Optimization
PNG compression is lossless — your image quality is perfectly preserved. img.awajis optimizes the internal compression structure to produce smaller files without changing a single pixel. Processing happens entirely in your browser using WebAssembly.
When to Use PNG
PNG is the best choice for images with transparency, sharp text, logos, screenshots, and graphics with flat colors. Unlike JPEG, PNG preserves every pixel exactly, making it ideal when quality is more important than file size.
Need even smaller files? Convert your PNGs to WebP for significant size reduction, or resize them to fit your target dimensions.