WebP vs AVIF vs JPEG: Which Modern Image Format Should You Use in 2026?

For decades, the web ran on classic JPEG and PNG formats. Today, modern formats like WebP and AVIF offer dramatically smaller file sizes with cleaner details. But with multiple formats available, which one should you actually pick?

Quick Decision Guide: When to Use What

• Use WebP — For general website images, blog illustrations, and ecommerce product photos. WebP is 25%–35% smaller than JPEG, supports transparency, and is supported by 98%+ of all web browsers globally.
• Use AVIF — For high-resolution photography portfolios and hero banners. AVIF can reduce file size by up to 50% compared to JPEG, delivering stunning detail in shadows and highlights.
• Use PNG — For app logos, UI icons, and transparent signatures where pixel-perfect sharp text is mandatory.
• Use JPEG — For universal sharing via email, legacy desktop applications, and printing.

The Bottom Line

For 90% of web projects, WebP is the ideal default because it balances tiny file sizes with universal compatibility. When you need extreme compression on massive high-res photos, AVIF is unbeatable.

You can convert your existing JPEG and PNG images to WebP or AVIF in seconds using Shrinkify's batch format converters.