Format knowledge base

Image format guides

Learn when to use each image format and optimize for compatibility, quality, and file size.

PNG

Learn when to use PNG for lossless graphics, screenshots, and transparent assets.

JPG

Understand JPG compression tradeoffs for photos and broad compatibility.

WEBP

Use WEBP to reduce image size for faster web pages and better Core Web Vitals.

AVIF

AVIF provides very high compression efficiency for modern web image pipelines.

HEIC

HEIC is common on Apple devices and offers efficient photo storage for iPhone images.