I know it's not free, but we've had good success using Gigapixel AI from
Topaz Labs for this kind of work. https://www.topazlabs.com/gigapixel-ai
-Jodie

On Wed, Dec 1, 2021 at 7:14 PM charles meyer <[log in to unmask]> wrote:

> Hi my esteemed listmates,
>
> I need to take a graphic I download (with permission) off a Website and
> make it 1920x1080, or larger by the same ratio so its quality will be
> higher.
>
> It would be even better if I could convert it into 3840x2160.
>
> Has anyone used a FREE Windows tool to do that?
>
> I understand Photoshop can do that but I don't have Photoshop so I need to
> accomplish this with something simpler like MS Paint.
>
> Has anyone achieved these improved graphic results with MS Paint?
>
> If so, could you pls share the steps?
>
> I'm guessing it cna  be done in GIMP but GIMP can be at best challenging.
>
> Thank you kindly.
>
> Charles.
>