Secure your document
Upload a PDF, choose a password, and export a protected copy.
Drop your PDF right here
or select a file from your device. For best results, use an unencrypted PDF.
document.pdf
01 — Opening password Required
Use at least 12 characters, including a mix of character types.
02 — Document permissions Optional
These settings are written as PDF permission flags. Support varies across PDF viewers; they are not a substitute for an opening password.
03 — Export settings Optional
Security note: Use a unique password and share it through a separate channel. If you forget the password, PDFix cannot recover it. The tool verifies that the output is marked encrypted, but always test the downloaded PDF in a trusted reader before relying on it for sensitive documents.