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Merge PDF Online

Merge PDFs online with a clean drag-and-drop flow.

Drop PDFs into your browser, drag the thumbnails into the right order, and export a single merged PDF in one click.

Open the Merge PDF Online 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 Merge PDF Online works

  1. 1

    Upload PDFs

    Drop the PDFs you want merged.

  2. 2

    Reorder

    Drag thumbnails to set order.

  3. 3

    Download merged PDF

    Grab the combined file instantly.

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 Merge PDF Online converter and have your file ready in seconds.

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