AsliPDF

Interleave PDF

Combine two PDFs by alternating pages — A1, B1, A2, B2… Perfect for merging odd/even scanned pages from duplex scanners, or combining front and back scans into one document.

Processed in your browser Free · no signup

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How to use Interleave PDF

  1. 1

    Add your file

    Open the Interleave PDF tool and drop in your file — or click to browse. Files are read directly into your browser's memory for local processing.

  2. 2

    Adjust the options

    Fine-tune the settings to fit your needs. Most tools process locally on your device, so changes preview instantly.

  3. 3

    Download the result

    Click the action button and your finished file downloads immediately — no queue, no email, no watermark.

Frequently asked questions

Is Interleave PDF free to use?

Yes. Interleave PDF on AsliPDF is completely free — no account, no daily limits and no watermarks on your output.

Is it safe to use Interleave PDF with confidential documents?

Yes. Most tools on AsliPDF process your file entirely in your browser using WebAssembly — your document never leaves your device. Some future AI-powered tools may send data to a server with your explicit consent, and will always be clearly labeled.

Do I need to install any software?

No. Interleave PDF runs in any modern browser on desktop or mobile. There is nothing to download or install, and no sign-up is required.