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What Is WebP?

Learn what WebP is, why websites use it, and when another format may be better.

4 min readSep 2, 2026
WebP image format concept

WebP is an image format designed for efficient delivery on the web. It supports both lossy and lossless compression, transparency, and animation in a single format.

Why WebP is smaller

WebP uses modern compression techniques to represent common image patterns efficiently. The same visual result can often be delivered with fewer bytes than an equivalent JPG or PNG.

When WebP is useful

Use it for product photos, page backgrounds, illustrations, and transparent web graphics when your target browsers and tools support it. Smaller assets can improve load time and reduce bandwidth.

Keep a source file

Treat WebP as a delivery format, not your only original. Keep an editable source or high-quality master so you can create another format later without stacking compression losses.

Put it into practice

Convert to WebP