JPG to PNG Converter
Convert JPG images to lossless PNG instantly in your browser — multiple files at once, nothing sent to any server.
Drop JPG files here
or — multiple files welcome. Nothing is uploaded; conversion happens on your device.
Files are processed entirely in your browser — never uploaded, never stored. Large photos convert in about a second each; the first HEIC file loads a small decoder module.
Frequently asked questions
Does converting JPG to PNG improve quality?
No — compression artifacts already baked into the JPG stay. PNG just stops any further loss, which is useful before editing an image repeatedly or when a form demands PNG.
Why is the PNG so much larger than my JPG?
PNG is lossless and JPG is heavily compressed, so 5–10× growth is normal for photos. That’s the price of a format that never degrades.
Are my images uploaded to a server?
No. Conversion runs entirely in your browser using its built-in image engine — files never leave your device, which also makes it faster than upload-based converters and safe for private photos.