About PNG to JPG
PNG is lossless, which is why screenshots and exports default to it — and why the files are huge. A full-screen PNG screenshot easily runs several megabytes; the same image as a high-quality JPG is a fraction of that with no visible difference for photos and screen content. Converting is the quickest way to get an image under an attachment or upload limit.
Like every tool here, the conversion happens on your device: the PNG is decoded and re-encoded as JPG in your browser, with transparent areas flattened onto white (JPG has no transparency). Nothing is uploaded, there is no watermark, and batches come back as a ZIP.
How it works
- Drop your PNG filesSingle screenshots or whole batches.
- Local re-encode to JPGHigh-quality JPG encoding on your own machine. Transparency flattens onto white.
- DownloadTypically a large size reduction for screenshots and photographic content.