Easily Alternate Merge PDF Pages Free

Easily interleave and alternate pages from two PDF files online free. Perfect for duplex scans — ConvertzPDF.

✨ Free & Easy to Use
No registration required. No watermarks. All tools are completely free.

📋 How to Use This Tool

  1. Upload two PDF files
  2. Pages are interleaved alternately (Page1, Page2, Page3...)
  3. Download your perfectly merged PDF

Frequently Asked Questions

Q: What is alternate merge useful for?

Perfect for combining front and back scans of duplex documents into one correctly ordered file.

Q: What if files have different page counts?

Extra pages from the longer file are appended at the end of the interleaved result.

Q: Can I start with the second file first?

Yes, you can choose which file's first page appears first in the interleaved output.

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