PNG Compression Guide: Reduce PNG Size While Keeping Transparency
Learn lossless PNG compression techniques, palette reduction, and tools to shrink PNGs for web without losing transparency.
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Tags: image, png, compression
PNG Compression Guide: Reduce PNG Size While Keeping Transparency PNG files are often the biggest performance bottleneck on design-heavy websites. A single full-screen PNG screenshot can run to 3–5 MB. A logo with transparency exported from Illustrator might be 800 KB when it should be 30 KB. The frustrating thing is that most of this bloat is completely avoidable — PNG has a rich set of compression options that most designers and developers never touch. This guide explains how PNG compression actually works, the difference between PNG-8 and PNG-24, and how to use pngquant and oxipng to get the smallest possible PNG files without giving up a single pixel of quality. How PNG Compression Works PNG uses the DEFLATE compression algorithm — the same algorithm used in ZIP files. DEFLATE is…
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