Add page numbers to PDF

1. Upload the PDF.
2. Pick a position: bottom-left, bottom-center, or bottom-right.
3. Download the PDF with numbering applied.

• Prepare a PDF for printing or handing off with identifiable pages.
• Add numbering to a merged PDF that lost its original order.

• Simple numbering with embedded Helvetica.
• No font, color, custom prefix, or partial-range options in this version.
• Doesn't promise to preserve digital signatures, interactive forms, or complex annotations: pdf-lib re-serializes the document.
• Some PDFs with complex internal structures may display correctly in the browser but fail when modified. If the output is blank, cropped, or shifted, try re-exporting/printing the file as PDF and then try again.

Processing happens in your browser — we don't upload your files.

• An encrypted or damaged PDF may not be processable.
• If the PDF has digital signatures, they may be invalidated on re-save.

• Uses pdf-lib with StandardFonts.Helvetica and drawText at the bottom of each page.