Free · without uploading your files

Number a PDF

Put “Folio 0001” on every page, with the prefix and position you want. Everything happens in your browser: the PDF is never uploaded to any server.

Drag a PDF here or click to choose it

Prefix (optional) Start at folio Position Digits

Show “Folio 0001 of 0250”

🔒 Your PDF is processed in this tab and downloaded as a new file. The original does not change and nothing is sent over the internet.

Need to merge several documents with a cover page, linked index, bookmarks and the SHA-256 hash of each original? That is what FoliFast for Windows does, free.