What it does
Interleave two PDF files page by page for duplex scans, odd and even pages, or paired documents. Runs privately in your browser with no upload.
Combine two PDFs by alternating their pages.
No artificial upload quota: processing happens on your device, so the practical limit is your browser and available memory.
Start here
Choose from your device or drag the files onto the upload surface.
Choose PDF filesPDF · drag and drop also works
Interleave two PDF files page by page for duplex scans, odd and even pages, or paired documents. Runs privately in your browser with no upload.
This focused tool processes the selected document in your browser. The source file is not overwritten.
Keep the original file and inspect the downloaded result before replacing an archival, signed, submitted or legally important copy.
Interleave two PDF files page by page for duplex scans, odd and even pages, or paired documents. Runs privately in your browser with no upload.
The focused PDF Tools workspace is designed for a single job at a time. It does not require an account and does not add a FileCarpenter watermark to the downloaded result.
Page 1 from the first PDF, then page 1 from the second, then page 2 from each, and so on.
Remaining pages from the longer file are appended in sequence.