PDF tools · Stamp
Add text to the top and bottom of pages, with page numbers. Free without an account; sign in to run it from your app too.
curl https://pdfember.com/api/v1/tools/header-footer \ -H "Authorization: Bearer $PDFEMBER_KEY" \ -F "files[][email protected]" \ -F "headerLeft=Contract 7/2026" \ -F "footerCenter={n} / {total}" \ -o out.pdf