JPG to PNG converter

I built this JPG to PNG converter for the quick job of changing the format of one file or many. Choose or drop your files, and each one is converted on your device.

Your files stay on your device. You can pick several at once.

How it works, and what stays on your device

I built this page on the decoder and encoder that your browser already has, so converting JPG to PNG happens on your device and the files are never uploaded. Nothing is sent anywhere while you convert, and you do not need an account.

Your browser opens JPG files with its own decoder.

PNG keeps transparent areas as they are.

Frequently asked questions

Are my files uploaded?

No. Your files are opened and converted in your browser and never leave your device. I do not receive them, and the page makes no request that carries them.

Can I convert several files at once?

Yes. Choose or drop as many files as you like. They are converted one after another, each with its own status, and a file that fails does not stop the others. Once two or more are done you can download them together as one zip.

Does converting to PNG lose quality?

PNG is lossless, so the PNG holds exactly the pixels your browser decoded. It cannot bring back detail that the original format had already dropped.

Will the PNG look better than the JPG?

No. The PNG saves what the JPG shows without further loss, but it cannot restore detail the JPG already lost, and the file is usually bigger.