Convert to a format that supports transparent backgrounds. Every conversion runs locally on your Mac — your JPG files are never uploaded.
macOS 14 or later · Apple silicon · Free to try
JPG is the universally supported, compressed photo format. PNG is a lossless image format that supports transparent backgrounds. Convert to a format that supports transparent backgrounds.
PrivateRemix handles the JPG-to-PNG conversion in a couple of clicks, with the result saved right next to your original file.
Unlike free online converters, PrivateRemix has no server. Your JPG files stay on your Mac — no upload, no cloud, no account.
Drag a JPG file into PrivateRemix, or pick one from your Mac.
Select PNG from the formats PrivateRemix offers for your file.
The new PNG appears next to the original. Nothing leaves your Mac.
No. PNG is a lossless format, so no image or audio detail is discarded in the conversion.
Yes. JPG is the most widely supported photo format and compresses photographs efficiently. It is a lossy format, so it is best for final images rather than repeated re-editing.
Yes. PNG stores a full alpha channel, so transparent backgrounds are preserved. Formats like JPG do not support transparency and will fill it with a solid colour.
No. PrivateRemix runs entirely on your Mac using its own processor. Your JPG files never leave the device — there is no server to upload to, and it works fully offline.
Yes. Drop in a batch of JPG files and PrivateRemix converts them all locally, saving each new PNG next to its original.
Free to try. macOS 14 or later, Apple silicon.