JPG to PNG Converter

What converting to PNG does and doesn't do

PNG is lossless, so further edits and re-saves won't add new compression artefacts, and some apps, print services and design tools ask for PNG. Converting can't restore detail the JPG already lost, though, and it doesn't add transparency: the background stays as it is. Remove the background in an editor afterwards if you need a cut-out.

File size

A PNG of a photo is usually three to eight times larger than the JPG, because lossless compression can't discard detail. For sharing photos, JPG or WebP is the better choice.

Rotation and metadata

Phone photos often look upright only because of an EXIF orientation tag. The tool applies that rotation to the pixels, so the PNG is upright everywhere. Converted files contain only the image. EXIF metadata such as the camera model, the date taken and GPS location is not copied. Photos that rely on an orientation tag are rotated upright first, so they still display the right way round.

Privacy and limits

Files are read, decoded and encoded by your own browser with the Canvas API. Nothing is uploaded, and the download is created on your device, so it's safe for personal photos and work documents.

You can add up to 50 files at a time, each up to 50 MB and 50 megapixels. Larger images are refused with a message instead of being loaded, so the tab doesn't run out of memory. Output keeps the full resolution unless the browser can't allocate a canvas that big (some mobile browsers stop at about 16.7 megapixels); then it's scaled down to fit and the file is labelled.