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Add Page Numbers

Insert page numbers with full positioning control.

Select a PDF file

or drag & drop a file to browse from your device

How to use Add Page Numbers online free

  1. Upload your PDF.
  2. Pick the position, format, size, and starting number.
  3. Apply and download your numbered PDF.

Why use PDFdecor?

  • 100% free — no sign-up, no watermark, no trial limits.
  • Private by design — files are encrypted in transit and auto-deleted after 2 hours.
  • Works everywhere — Windows, Mac, Linux, Android, and iPhone, right in your browser.
  • No software to install — no Adobe Acrobat needed.

Frequently asked questions

Is it free to add page numbers to a PDF online?

Yes. PDFdecor lets you add page numbers to a PDF completely free — no sign-up, no watermarks, and no software to install. It works in your browser on Windows, Mac, Linux, Android, and iPhone.

Are my files safe?

Yes. Files are transferred over an encrypted connection and automatically deleted from our servers after 2 hours. Nobody can access your documents.

Do I need to install any software?

No. PDFdecor runs entirely online in your web browser, so you can add page numbers to a PDF without installing Adobe Acrobat or any other desktop software.