I was wondering whether anyone knows of, or can recommend, an extension for Photos on macOS that allows correcting perspective?

  • Which perspective control is needed? Lens correction, keystone or more advanced combinations like the SKRWT app does on iOS - moblivious.com/reviews/skrwt – bmike Jul 30 '17 at 14:37
  • Keystone correction is what I had in mind. If you know of any macOS apps besides the two in my answer, I'd love to hear about them. – Rinzwind Jul 30 '17 at 15:42
  • I've always done this type of thing in Photoshop but +1 for doing the research & providing a good working/starter answer for Photos. – Tetsujin Jul 30 '17 at 16:09

The app “Perspective Photos Extension” would seem to be the answer to my question. But neither its screenshots nor its reviews convinced me it would be worth the purchase. I haven’t come across any similar app that provides a Photos extension. Instead, I decided to try “DxO Perspective” in combination with “External Editors For Photos”.


I find Readdle's Scanner Pro (for iOS) does a great job of auto-detecting document edges and applying perspective correction of pages with its (automatic) Distortion Correction feature. It can interoperate with existing images stored in the Photos app from the Mac.

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