How-To2026-03-222 min read
How to Interleave Two PDFs — Combine Odd & Even Pages
Interleave PDF Pages
Go to Interleave Pages
Upload two PDFs (front pages and back pages)
Pages are merged alternately: A1, B1, A2, B2, A3, B3...
Click Process & Download
Common Use Cases
Double-sided scanning — scan front pages as one batch, back pages as another, then interleave
Combining two versions — interleave original and annotated versions
Creating study materials — question on one page, answer on next
Tips
Both PDFs should have the same number of pages
If one is shorter, remaining pages from the longer one are appended
Related Tools
Merge PDF — combine PDFs end-to-end (not interleaved)
Reorder Pages — manually rearrange page order