WebP vs PNG: Is WebP really better?

WebP vs PNG

WebP is a modern image format developed by Google that provides both lossless and lossy compression, plus transparency. PNG is the legacy standard for lossless transparent images.

WebP	PNG
Advantages • 26% smaller file sizes than PNG • Supports both lossy and lossless • Supports transparency • Supports animation Disadvantages • Not supported in very old software • Exporting requires modern tools	Advantages • 100% universal compatibility • Lossless quality • Native support in all editors Disadvantages • Heavy file sizes • Slow page loading times

WebP

PNG

Advantages

• 26% smaller file sizes than PNG
• Supports both lossy and lossless
• Supports transparency
• Supports animation

Disadvantages

• Not supported in very old software
• Exporting requires modern tools

Advantages

• 100% universal compatibility
• Lossless quality
• Native support in all editors

Disadvantages

• Heavy file sizes
• Slow page loading times

The Verdict

WebP (For Web)

When to use WebP

Use WebP exclusively for website assets to drastically improve Core Web Vitals and load speeds while maintaining transparency.

When to use PNG

Use PNG for archival purposes, print design, or when sharing files with clients using legacy software.

More Format Comparisons

WebP vs JPG

WebP was designed specifically to replace JPG on the web. It uses predictive coding to encode images, resulting in smaller files than JPG at the same perceived quality level.

AVIF vs HEIC

The battle of the modern HEVC/AV1 based image formats.

WebP vs GIF

Animated WebP compared to traditional GIF.

AVIF vs JPG

AVIF (AV1 Image File Format) represents a massive leap forward from the legacy JPG format, offering dramatic file size reductions while preventing blocky artifacts.

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