Merge PDF

Secure server processing

Combine multiple PDFs into one document in any order.

Drop files here or click to add

PDF · up to 50 MB each

Your file is transferred over an encrypted connection, processed in an isolated worker, and automatically deleted (within 1 hour for guests, 24 hours for registered users).

How to merge pdf

  1. 1

    Upload your file to the Merge PDF tool — drag and drop or click to browse.

  2. 2

    Adjust the available options to match exactly what you need.

  3. 3

    Run the tool — merge pdf completes in seconds on our secure servers.

  4. 4

    Preview the result, then copy it or download the output file.

Frequently asked questions

Is the Merge PDF tool free to use?+

Yes. Merge PDF is completely free with no watermarks, no sign-up requirement, and no file-size paywall. Create a free account only if you want your history and favorites saved.

Is my data safe with the Merge PDF tool?+

Yes. Files are transferred over an encrypted connection, processed in an isolated worker, and automatically deleted (within 1 hour for guests and 24 hours for registered users). We are GDPR and CCPA aligned.

Do I need to install anything to merge pdf?+

No installation needed. Merge PDF works in any modern browser on Windows, macOS, Linux, Android and iOS, and can be installed as a lightweight web app (PWA).

What pdf tools formats does it support?+

Combine multiple PDFs into one document in any order.

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