Processed client-side in your browser — files never leave your device.
Free, with no signup, account, or usage limits.
Works on any modern browser, including mobile.
About this tool
Add Page Numbers is a free online utility to add page numbers to PDF documents (related: pdf, pages, numbers). Processing runs locally in your browser — your input is not uploaded to ThothBox.
How to use
Open Add Page Numbers and add your file (upload or drag and drop).
Set the options that match your goal.
Run the action — processing happens in your browser.
Download or copy the result when it is ready.
FAQ
What does Add Page Numbers do?
Add page numbers to PDF documents.
Is Add Page Numbers private?
Yes for typical use: input is processed in your browser and is not uploaded to ThothBox.
Is Add Page Numbers free?
Yes. It is free to use with no signup required.
Are there file size limits for Add Page Numbers?
Practical limits depend on your device memory and browser, not a ThothBox server quota.
How do I use Add Page Numbers?
Open the Add Page Numbers tool, then open Add Page Numbers and add your file (upload or drag and drop).