what tracing can and cannot do
Tracing finds edges — it does not redraw the artwork
The tracer groups pixels into a small number of colours and then draws an outline around each region. For a logo, an icon or line art that is exactly right: flat areas of colour become clean shapes, and the result scales to a billboard without softening.
A photograph has no flat regions, so the same process turns it into stacked bands of colour — a poster effect rather than a faithful copy. That can be a nice look on purpose, but if you need the photo itself, keep it as a PNG.
three steps
How to convert a PNG to SVG
01
Drop the PNG
The file stays on your device.
02
Set colours and detail
Fewer colours give cleaner shapes and a smaller file.
03
Compare, then download
Both versions sit side by side so you can judge the result.