WebP vs PNG: size, quality, and transparency
Both formats support transparency. WebP usually delivers smaller web assets, while PNG remains a dependable lossless source and editing format.
Use WebP for delivered website images. Keep PNG when lossless interchange, broad tooling, or pixel-exact editing matters most.
FeatureWebPPNG
Compression modesLossy or losslessLossless
TransparencyYesYes
AnimationYesNot standard PNG
Best forWeb deliveryEditing masters
Browser support
Modern browsers support WebP. PNG is older and remains easier to exchange with legacy software, documentation systems, and design workflows.
A practical workflow
Keep a lossless PNG master, then export WebP copies for your site. This preserves an editable source while reducing transfer size for visitors.
Frequently asked questions
Does WebP lose transparency?+
No. WebP supports alpha transparency in both lossy and lossless files when the encoder preserves it.