Every generation has a resolution ceiling. Most of the time that is plenty - but the moment you want to print something, crop in tight, or post to a platform that demands more pixels, you hit the edge of what the original generation gives you. Upscaling raises that ceiling without touching anything else about the image.

Why upscale instead of regenerating

Regenerating a bigger version of an image is not the same image - the pose, the expression, the exact framing can all shift. Upscaling is not a new generation at all: it takes the pixels you already approved and adds detail and sharpness on top, so the result you get back is unmistakably the same shot, just crisper.

Picking a provider

OnZero offers a few upscaling engines and they are not interchangeable: the default enhances and sharpens with balanced results, a fast option gives a cheap 4x boost when speed matters more than nuance, a detail-faithful option stays as close as possible to the original pixels, and a creative option is willing to invent plausible extra detail where the source is soft. Pick based on whether you want faithfulness or maximum sharpness.

1. 1Pick the image from your gallery that needs more resolution.
2. 2Choose a provider and target resolution based on how faithful or sharp you need the result.
3. 3Optionally set a focus region to upscale just a crop - a face or a product - instead of the whole frame.
4. 4Generate and compare against the original before you use it downstream.

Upscaling is the simplest post-production step and the one you will reach for most often. Next, a cutout tool that lets you take a subject out of its background entirely.