Add Page Numbers to PDF
Add custom page numbers to your PDF documents. Fully customizable format, position, and styling.
Drop your PDF here or click to select
Max 100MB • No file is stored on servers
How to Add Page Numbers to PDF
This free PDF page numbering tool allows you to add custom page numbers to any PDF document directly in your browser. Simply upload your PDF, choose your preferred format and position, then download your numbered PDF. All processing happens on your device—your file is never uploaded to any server.
Step-by-Step Guide
- Upload Your PDF — Click the upload area or drag and drop your PDF file. The tool supports PDFs up to 100MB.
- Choose Format — Select how your page numbers should appear: "1", "Page 1", "Page 1 of N", "1/N", or "- 1 -".
- Select Position — Click one of the six position buttons to place numbers at the top or bottom, left, center, or right.
- Adjust Settings — Fine-tune the font size (8-24px), starting number, margin from edges (20-80px), and skip the first page if needed.
- Download — Click "Apply & Download PDF" to process your file and download the numbered version.
Page Number Format Examples
- 1 — Simple numbers only (1, 2, 3...)
- Page 1 — Label with number (Page 1, Page 2, Page 3...)
- Page 1 of N — Full pagination (Page 1 of 25, Page 2 of 25...)
- 1/N — Compact fraction format (1/25, 2/25...)
- - 1 - — Decorative format with dashes (- 1 -, - 2 -...)
Privacy & Security
Your PDF file never leaves your device. All page numbering happens in your browser using client-side processing. We don't store, access, or transmit your files to any server. This tool works completely offline after loading.
Common Use Cases
- Documents & Reports — Add page numbers to multi-page reports, theses, and official documents.
- Books & Manuals — Number pages in books, guides, and instruction manuals (optionally skipping cover pages).
- Presentations — Add slide numbers to PDF presentations and speaker notes.
- Legal Documents — Number contract pages, agreements, and legal briefs for reference.
- Educational Materials — Add page numbers to course materials, lecture notes, and study guides.
Frequently Asked Questions
Is this tool free?
Yes, completely free. No ads on the tool itself, no registration required, and no limits on file size or number of conversions.
Will my PDF be corrupted?
No. This tool uses pdf-lib, a robust JavaScript library that preserves all original content and formatting while adding page numbers cleanly.
Can I customize the number color?
Currently, page numbers are added in black. If you need custom colors, you can use a desktop PDF editor like Adobe Acrobat or open-source tools like LibreOffice Draw after numbering.
What's the maximum file size?
The tool supports PDFs up to 100MB. Very large files may take a moment to process depending on your device's RAM.
Why is the number cut off on my PDF?
Reduce the font size or increase the margin from the edge. Some PDFs have tight margins—adjust the margin slider to find the right fit.
Can I add page numbers to password-protected PDFs?
This tool works best with standard PDFs. If your PDF is password-protected, you may need to remove the protection first using your PDF editor.
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