Alternate Merge PDF
Interleave pages from multiple PDFs into one document. Useful for front/back scans and alternating page sets.
Interleave queue
Pages are copied round by round: file 1 page 1, file 2 page 1, file 1 page 2, file 2 page 2, and so on.
Merge options
Control how source pages are interleaved into the output PDF.
Output pattern
With two PDFs, output becomes A1, B1, A2, B2. If reverse is enabled, output becomes A1, Blast, A2, Bprevious.