01 / Open
Choose the PDF
Every page shows as a thumbnail.
Free tool
Number the pages of a PDF in one go: choose where the number goes, a style such as "Page 1 of 10", the number to start from, and whether to skip the cover page. The thumbnails show the result before you save. Nothing is uploaded.
Page numbers
Nothing else in the PDF changes: text stays text you can select and search.
The PDF is changed in your browser. It is never uploaded.
How it works
01 / Open
Every page shows as a thumbnail.
02 / Style
Position, style, first number and size, shown on the pages.
03 / Save
Numbers are real text in Helvetica, on every page.
Questions
No. The numbers are added in this browser tab.
Yes. Set "Start at", for example 5 for a chapter that continues a book. Skip the cover page to start numbering on page 2.
They sit 28 points (about 1 cm) from the edge, where most documents have a margin. Check the thumbnails, and pick the top if the bottom is full.
They become part of the page. Keep your original file if you may need it without numbers.