Stitching

Joining consecutive screenshots by detecting the overlapping region between them.

Stitching joins consecutive screenshots of a scrolling conversation by finding the region where one image repeats the end of the previous one, then merging at that seam.

It relies on overlap, which is why you should scroll about eighty percent of a screen between captures. Overlap also serves a second purpose: it shows a reader that nothing fell between two images.

Last updated 2026-09-01

In practice: How to organize text messages chronologically

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