ScrollJoin: Screenshot Stitch

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About this app

Turn 2–10 overlapping screenshots into one continuous PNG.

ScrollJoin is a focused screenshot stitcher for long chats, articles, receipts, instructions, social posts, notes, and other content that does not fit on one screen. Select same-width, upright screenshots in reading order, then review the result before exporting it.

AUTOMATIC OVERLAP MATCHING

ScrollJoin compares neighboring screenshots using color-aware overlap analysis. When it finds a reliable shared area, it removes the repeated content and creates a clean join.

SAFE WHEN A MATCH IS UNCERTAIN

An uncertain match never causes content to be silently removed. ScrollJoin keeps the complete screenshots in a safe unresolved stack and marks the join for review.

MANUAL LIVE JOIN EDITOR

Open any join to inspect both screenshots together. Adjust the join manually while the combined result updates live, then confirm it when the transition looks right.

ORIGINAL-SIZE PNG OUTPUT

Export one RGBA PNG at the original screenshot width. ScrollJoin does not scale the screenshots to make them fit.

PRIVATE BY DESIGN

• Works offline
• Processes screenshots on your device
• No account
• No ads
• No analytics
• No permission to browse your full photo library
• Access only to the images you choose

HOW TO USE SCROLLJOIN

1. Choose 2–10 same-width, upright screenshots in reading order.
2. Let ScrollJoin analyze the overlap between each neighboring pair.
3. Review any unresolved or uncertain join.
4. Fine-tune a join in the live manual editor when needed.
5. Export the result as one original-size PNG.

FOR BEST RESULTS

Leave some repeated content between neighboring screenshots. Use screenshots with the same width and keep them upright. Moving content, animations, different zoom levels, or screenshots without a shared area may require manual adjustment.

ScrollJoin does one job: it helps you stitch screenshots into a long image while keeping every uncertain join under your control.

What’s new

Initial release: stitch 2–10 same-width screenshots, review automatic joins, fine-tune overlaps manually, and export an original-size PNG. Processing stays on your device.