Reviewed practical guide
How to use Upscale an image and verify the result
Increases dimensions and resamples pixels to produce a larger copy.
Increases dimensions and resamples pixels to produce a larger copy. Choose a factor that matches the final use and apply sharpening only after inspecting the enlargement.
Practical example: Prepare a small illustration for a larger display block on a website. Post-process verification is part of the workflow: a successful download alone does not prove that the content is correct.
What result to expect
An image with more width and height pixels than the input.