How to Interleave PDF Pages Online
Use this guide to merge two PDFs page-by-page for duplex scan recovery and print packet assembly.
Open Tool →Step-by-step
- Upload PDF A and PDF B in the order you want.
- Run interleave to combine pages as A1, B1, A2, B2.
- Download and quickly verify front/back reading flow.
Practical tips
- If page order looks inverted, swap A/B upload order and run again.
- Use Reverse PDF first when one source is scanned in reverse order.
- Keep source files unchanged so you can roll back quickly.
Common issues
- Mismatched page counts are allowed; remaining pages are appended.
- If downloads are blocked, allow file downloads in browser settings.
FAQ
Can I interleave files with different lengths?
Yes. When one file ends, remaining pages from the other file continue in output.
Does interleave reduce quality?
No rasterization is applied in this operation.
What file size is supported?
Current per-file limit is 50MB.