Upscale Chat: AI image and video upscaling, explained

Upscale Chat is a free guide to AI image and video upscaling: how diffusion upscalers differ from interpolation, when upscaling actually helps, and how to compare tools.

Pixels from math

An AI upscaler invents pixels that were never in the file. That is the whole trick, and it explains both the magic and the limits: the new detail is a prediction, not a recovery.

This guide covers how upscaling works, when it helps, comparing tools and video specifically.

For print, ecommerce and archive restoration, the prediction is often good enough to ship. For forensics, never.