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This tool converts images between the common web formats — PNG, JPG, WEBP and HEIC. HEIC (from iPhones) in particular often needs converting to JPG or PNG before other apps will accept it.
All conversion happens in your browser, so your images are never uploaded. WEBP typically gives the smallest files for the web; PNG preserves transparency; JPG is best for photos where small size matters more than perfect fidelity.
Make iPhone photos usable in apps and sites that don't accept HEIC.
Convert PNG/JPG to WEBP to reduce page weight.
Convert to PNG when you need a transparent background.
No. Conversion runs entirely in your browser — your files never leave your device.
WEBP for the smallest web images, PNG when you need transparency or lossless quality, JPG for photos where a small file matters most.
HEIC is Apple's efficient photo format, but many apps, sites and Windows tools can't open it. Converting to JPG or PNG makes it universally usable.
Converting to a lossy format (JPG/WEBP) can slightly reduce quality; PNG is lossless. Re-encoding repeatedly compounds any loss.