Sharpen & upscale
Rebuilds detail in skin, hair, fabric. Doubles resolution without the plastic look most upscalers give you.
What this is doing
This tool runs your photograph through a face-aware super-resolution model. It doubles the side length (so quadruples the pixel count), with the most attention paid to the parts of a photograph people look at first: eyes, lips, skin, the line of a jaw. It does not invent new faces. It does not smooth skin to plastic.
When to use it
A scan from a flatbed scanner that came out softer than the original. A phone photo of a print that came out blurry. A small thumbnail you want printable.
When not to use it
If the original photograph is already sharp and you only want it bigger, you will see a small improvement. If the original is severely blurred — taken from a moving car, badly out of focus — this tool will guess at detail that is not there, and the result will look invented.