OurPDF

Merge PDFs

Combine multiple PDFs into one document with drag & drop.

Runs in your browser · files never leave your device

How to use Merge PDFs

  1. 1

    Choose two or more PDF files.

  2. 2

    Adjust the options – the defaults work for most files.

  3. 3

    Download the result (several output files are offered as one ZIP).

  • 100% in your browser – no upload
  • Free, no sign-up, no watermark
  • Works offline once loaded
  • Part of 67 private PDF tools

Questions & answers

Is there a limit on the number of files?

No. Merge as many PDFs as your device’s memory allows. There is no watermark.

Is Merge PDFs free?

Yes, completely free with no limits on the number of files and no watermark.

Are my files uploaded to a server?

No. Everything runs in your browser on your own device. Your documents are processed locally and never leave your computer or phone.

Does Merge PDFs work on mobile?

Yes. It works in any modern browser on Android, iPhone, Windows, macOS and Linux. Page Management tools also work offline after your first visit.

Combine multiple PDFs into one document with drag & drop. OurPDF does this entirely inside your browser: nothing is uploaded, there is no account and no watermark.