GUIDE深度 · Deep dive
JPEG vs PNG vs WebP
JPEG suits photos, PNG suits transparency, text and icons, and WebP is often smaller at similar quality but has slightly less compatibility. No single format fits every case.
Choose by content
Photos and gradients: JPEG or WebP.
Transparency, icons and text screenshots: PNG or WebP.
Old software compatibility: JPEG or PNG.
Size and quality
JPEG quality 80-90 is usually enough; repeated saves accumulate loss.
PNG is lossless but large for photos; WebP balances both.
FAQ
Is WebP compatible?
Modern browsers support it; old systems and some software do not.
Which format keeps transparency?
PNG or WebP; JPEG does not support transparency.