Conversion stays in your browser.
FileConvertMage
PNG to JPG
Convert a PNG image to JPEG in your browser.
Files are read locally. No upload. Signature checks reject mismatched types.
Method
Detect PNG/JPEG signatures, draw to canvas, re-encode to the target MIME type, offer download.
Assumptions
- Browser canvas encode.
- Size limit applies.
- No external converter API.
Questions
Is the file uploaded?
No. Processing is local for these pilots.
Are results lossless?
JPEG encode is lossy by design. PNG encode preserves raster pixels from the canvas.