Front and Back Scans to Numbered PDF

Alternate ordered front-side and back-side scan PDFs into one continuously numbered document.

Existing engines process locally. Local proof does not certify staging or production privacy.

This flow needs JavaScript. If it does not load, refresh the page and try again.

About this flow

Alternate ordered front-side and back-side scan PDFs into one continuously numbered document. Download original files, the latest complete checkpoint and the final PDF. Review all output pages before sharing or printing.

Limitations

Supply2–20 files in round-robin order; each source must already be in its intended page order. The same page selection applies to every file. Unequal tails are retained, not silently dropped. This does not automatically reverse a back-side scan. 2–20 supported unencrypted PDFs,50MiB each/100MiB combined. At most500 source/output pages; each next modifying input must fit50MiB and final metadata removal accepts100MiB. New documents do not preserve interactive forms, annotations, attachments, actions, original signatures or bookmarks. Info/XMP removal is not anonymity. Operations stop after120seconds; review every page.