Preview mode

[IMNdi]

It feels like I'm missing something obvious, but is there a preview mode? One where it upscales but doesn't save.

I test various images to see the results and it keeps littering my drive with every attempt. I wish it had a mode where you upscale and, if it looks fine, save. Else, do not. Possibly with an overwrite prompt.

[dosubot[bot]]

Hi @IMNdi! I'm Dosu and I’m helping the upscayl team.

Upscayl doesn't currently have a preview mode—every upscaling operation saves the result to disk automatically, and there's no built-in way to preview before saving or to get a save/overwrite prompt. The "overwrite" toggle only controls whether existing files are replaced, not whether you get a confirmation or can discard results. There isn't a documented workaround for this, but as a manual approach, you could set your output directory to a temporary folder and review results there before moving the ones you want to keep.

This feature has been requested by other users as well, so it's a known area of interest, but it's not implemented yet. You can keep an eye on future updates for any changes in this area.
Reference: upscaling always saves output

To reply, just mention @dosu.

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[IMNdi]

It would be easier, methinks, to have a toggle which, when ON, makes export filename become a temp file in the temp folder.

There's better ways, of course, but a toggle seems easy to implement, to be checked when the "Upscayl" is pressed.