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PDF Merge

Combine multiple PDFs into a single, ordered document.

Drop two or more PDFs, drag to set the page order, and export a single merged PDF — perfect for contracts, reports, and submissions.

Open the PDF Merge converter Private uploads Files never leave your device Free — no signup

How your files are handled

  • No uploads

    Your files never leave your device.

  • In-browser processing

    Every conversion runs locally in your browser.

  • Nothing stored

    Files aren't uploaded, so there's nothing to keep.

  • Privacy by default

    We never share or index your files.

How PDF Merge works

  1. 1

    Upload PDFs

    Drop two or more PDF files. Up to 20 per merge.

  2. 2

    Reorder

    Drag thumbnails to choose the merge order.

  3. 3

    Download merged PDF

    Grab the combined PDF in one click.

Frequently asked questions

Is my file private?
Yes. The conversion runs entirely in your browser — your file is never uploaded to any server, so it stays on your device.
What's the file size limit?
Every tool is free with a 25 MB per-file limit — no accounts and no paid tiers.
Do I need to install anything?
No. ConvertThoseFiles runs entirely in your browser — no plugins, no desktop app, no signup required.

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Ready to convert?

Launch the live PDF Merge converter and have your file ready in seconds.

Start PDF Merge