How non-AI image sharpening works vs AI upscaling
What unsharp-mask sharpening can and cannot do, and how it differs from AI super-resolution or photo restoration.
This tool strengthens existing edges so text and outlines look crisper.
It cannot invent missing detail. Heavy blur or mosaic only gets noisier if over-sharpened.
Optional pre-smooth reduces noise before sharpening; optional upscale helps larger posts.
Processing stays in your browser — images never upload.