What the PDF Page Number Adder Does and Why It Matters
The PDF Page Number Adder stamps page numbers onto an existing PDF using pdf-lib, drawing the numbers directly onto each page in your browser. The original layout is preserved; only the numbering is added.
This matters for documents assembled from multiple sources — merged reports, exhibits, or printed handouts — where consistent page numbers make referencing and navigation far easier. Adding them locally keeps the document private.
How to Use PDF Page Number Adder
- Upload the PDF you want to number.
- Choose where the numbers should appear and any starting value or format.
- Run the tool to draw the numbers onto each page.
- Download the numbered PDF and check the placement.
Supported Inputs and Limitations
What you provide
- A PDF file from your device
- Numbering options such as position and starting number
What you get
- The same PDF with page numbers added
- A downloadable, ready-to-share document
Known limitations
- Numbers are drawn as new text on top of pages; they are not linked to any existing numbering in the content.
- On very dense pages, choose a position that does not overlap important content.
- Encrypted PDFs may need to be unlocked first.
Privacy and Security
Numbering is applied entirely in your browser with pdf-lib. The PDF is processed on your device and is never uploaded to NovaTools or any external service; only the pdf-lib library itself is fetched from a public CDN.
Frequently Asked Questions
Can I start numbering from a specific value?
Yes. You can set the starting number, which is useful when a document continues a sequence from an earlier file.
Will the numbers cover my content?
Choose a placement (such as a margin or footer area) to avoid overlap. The numbers are drawn at the position you select.
Is my document uploaded?
No. Everything happens locally and the file stays in your browser.