Screenshot Stitcher
Find overlapping sections in consecutive captures, remove duplicates, and create one long screenshot.
Add screenshots
Select multiple PNG, JPG, or WebP files, or drop them here.
2–20 images · 20 MB each · 100 MB total
Privacy: Images are processed only in this browser and are never uploaded or stored on a server.
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What does the Screenshot Stitcher do?
It compares consecutive screenshots for overlapping rows, removes the repeated area, and combines them vertically into one long PNG with manual controls for uncertain joins.
How to use it
- 1
Add screenshots in order
Select consecutive captures in top-to-bottom reading order.
- 2
Review every join
Check overlap confidence and adjust exclusions or overlap values where repeated UI confuses detection.
- 3
Build the result
Create the combined preview, inspect each seam, and download the final PNG.
Practical examples
Long conversation
Capture while scrolling
Keep a visible overlap
Combine in orderPage with fixed header
Exclude repeated header rows before confirming the joinProcessing rules and limitations
Overlap required
Automatic joining needs a sufficiently distinctive repeated area between neighboring images.
Same-width images
Consistent capture width and scale produce more reliable comparisons and a cleaner output.
Ambiguous screens
Flat backgrounds, repeated lists, animations, and sticky UI can require manual adjustment.
Screenshots are processed locally
Source images, overlap analysis, and the combined PNG stay in the browser and are not uploaded or saved by this site.
Frequently asked questions
Why was an overlap not detected?
The shared area may be too small, too uniform, animated, or different between captures. Adjust the join manually.
Why is a header repeated?
Exclude the fixed header from the relevant edge before rebuilding the result.
Are the original screenshots modified?
No. The tool creates a separate combined PNG.
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