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Add Page Numbers to PDF

Use this free Add Page Numbers to PDF online tool to add customized numbering to your PDF pages easily. It is built for students, teams, and professionals who need a clean result quickly. Upload, process, and download in a few clicks. Up to 50 MB per file.

Built & maintained by the OptaPDF Team Editorial standards Free · No sign-up · Files auto-deleted in 30 min
Secure TLS/SSL encryption 100% free, no signup Fast browser-based processing
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Supported formats: .pdf (Max size: 50MB)

🔒 Secure temporary processing. Files are auto-deleted after 30 minutes.

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How to Use Add Page Numbers to PDF

Complete your task in four clear steps.

1

Step 1

Upload your PDF file.

2

Step 2

Choose the location for your page numbers (e.g., Bottom Center).

3

Step 3

Select your preferred font size (Small, Medium, Large).

4

Step 4

Click 'Add Page Numbers' and download your numbered PDF.

Why Choose OptaPDF for Add Page Numbers to PDF?

  • ✅ Custom placement: top or bottom; left, right, or center.
  • ✅ Multiple font size options to ensure high visibility.
  • ✅ Preserves original document formatting without shifts.

Security Guarantee

Your upload is protected with TLS/SSL encryption. Files are automatically and permanently deleted from our servers after 30 minutes. We do not read, share, or store your content. OptaPDF works on iOS, Android, Chrome, Safari, Edge, and desktop browsers without an app installation.

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Frequently Asked Questions About Add Page Numbers to PDF

Get answers to common queries regarding security, speeds, and bounds of this tool.

Upload your PDF on OptaPDF, choose your position and size settings, and download your numbered document instantly.
You can place page numbers in 6 positions: Bottom Left, Bottom Center, Bottom Right, Top Left, Top Center, or Top Right.
Yes, you can choose between Small, Medium, and Large font sizes to ensure excellent readability.
Yes, page numbers are overlaid on top of existing pages without altering any original content.
The output file will be named using the base name plus '_numbered.pdf' (e.g., x_numbered.pdf).
Yes, this tool is 100% free to use with no account signups or watermarks.
Our server-side Python engine processes page numbers in less than 3 seconds.
Yes. Files are automatically and permanently deleted from our server 30 minutes after upload.
Yes, our page-numbering engine works flawlessly on both digital and scanned PDFs.
Currently, our tool numbers all pages sequentially. We plan to support skipping first-page numbering in future updates.