UpSynth handles enhancement, upscaling and repair of photos and graphics inside one editor, with manual control over how the model behaves. Its stated position is that upscaling without control is chance — one-click upscalers invent detail with no way to steer the result, which shows up as plastic skin or hallucinated texture.
Exposing parameters lets the operator dial fidelity against invention, which matters for archival photographs and product imagery where a plausible invented detail is a defect rather than an improvement.
The restoration side covers damaged and degraded source images, where results depend heavily on what survives in the original. A first free upscale allows judging output on a real file before paying, which is the right way to evaluate this category.
