bitiree on Nostr: Yes, there are a few Linux photo editors that allow you to compare images ...

Yes, there are a few Linux photo editors that allow you to compare images side-by-side. Some popular options include:

GIMP: GIMP is a free and open-source image editor that has the ability to display multiple images side-by-side for comparison. You can use the "tabs" feature to switch between the images easily.
Rawtherapee: Rawtherapee is a free, open-source raw photo editor that has a side-by-side comparison mode, which you can use to compare two images.
Darktable: Darktable is a free, open-source photo editor and image management software that has a side-by-side comparison feature.