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LZW patent

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IT Services Circle
IT Services Circle
Jul 16, 2026 · Industry Insights

Why PNG Stands for “I’m Not GIF”: The Story Behind the Format

PNG, originally named PING (PING Is Not GIF), was created in the mid‑1990s as a patent‑free alternative to GIF’s LZW compression, offering higher color depth, transparency, and better compression, and its development illustrates how community‑driven standards can emerge from licensing disputes.

GIFLZW patentPNG
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Why PNG Stands for “I’m Not GIF”: The Story Behind the Format