Compress PNG Images — Free

PNG compression reduces file sizes of graphics, screenshots, and images with transparency while maintaining the format's key advantages: lossless quality and alpha channel support. Our optimizer can reduce PNG files by 50-80% depending on image content and complexity.

PNG compression uses two approaches. Lossless compression reorganizes image data for more efficient storage without any quality reduction—perfect for images that will be edited further. Lossy compression (color quantization) reduces the color palette while maintaining visual appearance, achieving dramatic size reductions with minimal perceptible difference.

UI/UX designers compress interface graphics for faster app loading. Web developers optimize icons, logos, and graphics with transparency. Game developers compress sprite sheets and texture atlases. Documentation writers compress screenshots for smaller file sizes. Brand managers optimize logo files for web use while maintaining transparency.

Our PNG optimizer analyzes each image to determine the optimal compression strategy. Images with few colors benefit most from palette reduction. Images with smooth gradients use dithering algorithms that preserve visual smoothness. All compression preserves PNG's transparency capabilities, keeping alpha channels intact for seamless web integration.