When PNG is the better export
Use PNG when you need cleaner edges, UI screenshots, or input for OCR. HEIC is efficient on iPhone; PNG is easier for tools that dislike HEIC or aggressive JPG compression.
Same Workspace, different preset
This page does not run a separate converter. It seeds Workspace with PNG ready so SEO URLs and the product stay one product.
Local only
Photos are converted in the browser. Nothing is uploaded for the convert step.