PDF Password Protect

Add a password to your PDF to restrict access. Your file is processed entirely in your browser.

Drop your file here, or browse

Drag & DropPaste (Ctrl+V)

.pdf — Max 15 MB

Processed locally — files never leave your device

Important note

Basic password protection. pdf-lib does not natively support PDF encryption. For this version, the PDF is re-saved as a placeholder. Full encryption support is coming soon.