Every new image format promises to replace JPEG forever. WebP had its turn and now AVIF is often presented as the automatic winner. AVIF frequently produces a smaller file at similar visual quality, but size is only one part of the decision.
Where AVIF wins
AVIF can compress photographs more efficiently, supports higher bit depths and handles transparency well. For a product photo, a blog cover or a prominent web image, the smaller transfer can directly improve loading performance.
What comparison tables leave out
Encoding AVIF is slower, sometimes dramatically so at demanding quality settings. Support in older devices and some editing tools is also less predictable than WebP. WebP has had longer to become a routine format across browsers, apps and image pipelines.
Which one should you use?
- Published web photography: try AVIF first when download size matters most.
- Images you will keep editing or exchange with many tools: WebP is often the safer compromise.
- Logos, icons and screenshots with flat colors: PNG or SVG may still be a better fit.
- Social networks and messaging apps: the platform will usually recompress the upload anyway.
The test that matters
Benchmarks use controlled reference images; your own material may behave differently. Convert the same source to both formats, compare the result at normal viewing size and choose the smallest file that still looks right. Our image converter lets you do that locally in the browser.