Alternate & Mix PDF Pages

Upload multiple PDFs and interleave their pages. Drag to reorder the files, then mix their pages alternately.

Click to select files or drag and drop

Multiple PDF files (at least 2)

Your files never leave your device.

How to Alternate & Mix PDF Pages

1

Upload PDFs

Upload at least two PDF files that you want to interleave.

2

Arrange Order

Drag and drop to arrange the files in your preferred interleaving order.

3

Mix & Download

Click Mix Pages to create your interleaved PDF and download it.

Why Use SwiftPDFLab?

100% Private

Your PDFs never leave your device. All mixing happens locally in your browser.

Multiple PDFs

Interleave pages from two or more PDF documents at once.

Drag & Drop Reorder

Easily rearrange the order of PDFs before interleaving.

Perfect for Duplex

Ideal for combining front and back pages scanned separately.

Frequently Asked Questions

How do I alternate pages from multiple PDFs?

Upload multiple PDF files to SwiftPDFLab, drag to reorder them as needed, and click Mix Pages. The tool will interleave pages from each PDF alternately to create a combined document.

What is PDF page interleaving?

Page interleaving combines pages from multiple PDFs by alternating between them. For example, with two PDFs, you get page 1 from PDF A, page 1 from PDF B, page 2 from PDF A, page 2 from PDF B, and so on.

Can I mix more than two PDFs?

Yes! SwiftPDFLab allows you to interleave pages from multiple PDFs at once. Simply upload all the PDFs you want to mix and arrange them in your preferred order.

Is alternating PDF pages free?

Yes, SwiftPDFLab's alternate merge tool is completely free. All processing happens in your browser - no upload required, no registration needed.

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