Seam Cutter
- ID
- 39435
- Status
- summarized
- Published
- 25 Oct 2026, 11:10 PM
- Fetched
- 26 Oct 2026, 12:19 PM
- Provider
- Simon Willison
- Category
- developer-ai
- Original URL
- https://simonwillison.net/2026/Oct/25/seam-cutter/
- Source URL
- https://simonwillison.net/atom/everything/
Summary
- Score
- 2.5
- Created
- 26 Oct 2026, 12:20 PM
- Tags
- Audience
- developersvibe_coders
What happened
Simon Willison published a small browser tool called Seam Cutter (posted 25 October 2026) that places a horizontal or vertical cut across an image and lets you slide the two halves relative to each other, effectively cropping out a middle section. He built it for his own workflow: stitching iPhone screenshots together with Tailor into one long image, then removing an irrelevant prompt from the middle of a transcript. It is a single-purpose utility with no stated pricing, repo, or platform details beyond the post.
Why it matters
If you regularly assemble long screenshots for docs, changelogs, or bug reports, this replaces the export-edit-restitch loop with one sliding cut — worth trying before building your own. But treat it as a layout tool, not a redaction tool: the post only describes removing a section visually, so decide separately whether cropped-out content still needs to be scrubbed at the source before you share the image.
Discussion angle
Show a before/after of a stitched screenshot with a middle section cut out, then ask whether anyone verifies that 'cropped out' means 'actually gone' before pasting such images into tickets, docs, or public posts.