Alternate & Mix PDF Pages
Interleave pages from two or more PDFs, e.g. odd and even scans.
Runs in your browser — files never leave your device
or drop files here
How to merge odd and even PDF pages
Scanned the fronts and backs separately? Interleave pages from two or more PDFs to rebuild the double-sided document.
Add two or more PDFs, e.g. odd pages and even pages.
Set the file order and, if the backs were scanned last-to-first, reverse that file.
Click Mix PDFs and download the combined document.
Alternate & Mix FAQ
Pages alternate while each file still has pages; the rest are added at the end.
Merge puts files one after another; Alternate & Mix takes one page from each file in turn.
No. The tool runs entirely in your browser, so your files are processed on your own device and never leave it.
Yes. Every PDFCraftly tool is free, with no sign-up, no watermark and no email required.
Guides
- How to Merge PDF Files (and Get the Pages in the Right Order)Combine several PDFs into one document, set the order, mix in single pages and interleave double-sided scans. A practical step-by-step guide.
- How to Merge Odd and Even Scanned Pages into One PDFSingle-sided scanner? Scan fronts and backs separately, then interleave them into one double-sided PDF in the right order — even if the backs are reversed.
- How to Merge PDF Files on a Mac: Preview or BrowserThree free ways to combine PDFs on a Mac: Preview's sidebar, Finder's Create PDF quick action, or a browser tool with drag-and-drop ordering.
More organize tools
- Merge PDFCombine several PDFs into one document, in the order you choose.
- Split PDFSplit by page ranges, every N pages, or into single pages.
- Split by BookmarksCreate one PDF per chapter using the document outline.
- Split by SizeBreak a large PDF into parts under a maximum file size.
- Split by TextStart a new file on every page that contains a word or phrase.
- Split in HalfCut two-up scanned pages down the middle into separate pages.
- Extract PagesPick the pages you want and save them as a new PDF.
- Remove PagesDelete unwanted pages from a PDF.