Password Protect a PDF Online for Free
Upload a PDF, choose a password, and download a protected PDF in native PDF format. No ZIP wrapper, no 7z workaround, no format change.
Need the reverse flow? Free PDF password recovery and PDF encryption types are linked here for SEO and support intent.
Native Output
Same file type out
This tool protects the PDF itself. People download a real password-protected `.pdf`, not a `.zip` containing the PDF.
Free PDF encryption
Useful for invoices, HR files, contracts, client exports, and internal docs.
Immediate download
As soon as encryption finishes, the protected PDF is downloaded directly in the browser.
Better SEO coverage
This page targets free PDF encryption, password-protect PDF, and add password to PDF online intent.
Looking for the opposite workflow? Use the PDF analyzer or jump to forgot PDF password.
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