Skip to content
Your files stay on your device

File processing runs in your browser. Documents are not uploaded to our servers. The site may download processing engines and send usage or feedback events without file contents.

How we handle your data

Merge Odd and Even PDF Pages

Alternate PDF pages from two report scans, fronts and backs, into one readable review copy, reversing the backs if needed. Free, in your browser.

Two PDFs contain three labeled pages each. The output should contain six pages in the file order or alternating order you choose.

Your documents stay on this device. Tool downloads and usage statistics do not include file contents.

Local limits: Max total size: 60 MB

Files are processed in your browser. They are not uploaded to this site.

A practical guide

Restore a readable page sequence for review.

  1. Choose exactly two PDFs, with the front-side scans first and the back-side scans second.
  2. Choose Alternate, or Alternate and reverse the second file when its pages were scanned backwards.
  3. Create the PDF and check the first, middle and last page pairs before continuing.

Try this example

Reassemble a six-page proposal scanned as three fronts and three reverse-order backs. Review the alternating result at the opening, signature page and final page before presenting it.

Before

  • Fronts 1,3,5
  • Backs 6,4,2

After

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
Input and expected output for this task. Illustrative example.

Before you start: This mode requires exactly two PDFs. If one file has extra pages, unmatched pages are appended at the end; confirm pairing and order yourself.

Review page order
What you get

Combine front and back scans from exactly two PDFs. Reverse the second file when its pages were scanned backwards.

Limits and important details

Alternate: exactly two PDFs, 10 MiB each, 200 pages total and 40 MiB output. No compression or guaranteed bookmark, interactive-form or digital-signature preservation. Password-protected PDFs are unsupported. Check page order before sharing.

Example

Fronts 1, 3, 5 and backwards-scanned backs 6, 4, 2 become 1, 2, 3, 4, 5, 6 when the second file is reversed.