Alternate & mix
Interleave pages from separate documents.
Report a problem with this tool
Using Alternate & mix
Useful for scans of front and back pages. Reverse the second document if the reverse-side scan runs backwards.
- Select front-side and back-side scans in the correct order.
- Reverse the second file if its scan order runs backward.
- Download and verify each front/back pairing.
Limits and checks
Up to 250 pages per input PDF and 100 MB per batch. Encrypted or malformed files may not open.
Frequently asked questions
What happens with unequal page counts?
Remaining pages are appended after available alternating pairs. Inspect the result if either scan contains blank or missing pages.
Is my content sent to a server?
No. Processing runs inside your browser. Optional editor recovery saves a draft on this device only. Read the privacy policy.
Will my original file be changed?
No. Downloaded results are separate copies. Open the finished output before sharing it or deleting an original.