Show HN: Free scanning app with ML crops, front/back pairing, and stitching

I built FrontBack Scanner to quickly digitize printed photos. It automatically detects and crops photos using ML, pairs front and back scans to preserve handwritten notes, and stitches oversized photos from multiple scans.

Free Mac and Windows app. Everything runs locally, no account needed. Would love feedback from anyone tackling a box of family photos.

This is the part of AI coding that excites me, niche software is cheap enough to create where it can be offered for free. AI should make ordinary life easier, not just make it easier to create another subscription.