Interleave PDF Pages — Alternate Merge

Merge two PDFs by alternating their pages: A1, B1, A2, B2 and so on. Ideal for combining front and back pages of double-sided scans. If one file has more pages, extras are appended at the end.

Merge pattern: Alternate page order
Output: A1, B1, A2, B2 ...

First PDF

This file supplies all A pages in the final order.

Drop first PDF here

or click to browse

PDF only · Max 50 MB

0
Pages
A
Sequence Label

Second PDF

This file supplies all B pages in the final order.

Drop second PDF here

or click to browse

PDF only · Max 50 MB

0
Pages
B
Sequence Label
Use this mode when you have matching front-and-back scans or two related PDFs that need to be interleaved page by page.

Merge Preview

Preview the final page order before merging.

How to Use Alternate Page Merge

  1. Upload the first PDF and then the second PDF.
  2. Check the page counts and review the preview order chips.
  3. Click Merge PDFs to interleave pages one by one.
  4. Download the merged file when processing completes.

Frequently Asked Questions

Any extra pages from the longer PDF are appended after the alternating sequence ends.
No. The merge happens in your browser with a client-side PDF library. Your files stay on your device.
Use it for double-sided scan batches, two synchronized reports, or any pair of PDFs that should interleave page by page.

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