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Password Protect PDF
Password protect PDF files online. Encrypt a PDF with an open password to prevent unauthorized access.
1) Upload
Drop files here
Or choose files with the buttons below.
Secure workflow
2) Run
Your file is ready
Click download to save it.
Learn more

Blog guide
Add a password to your PDF before sharing. Learn strong-password tips and how to protect PDFs with PDFMaple’s Protect PDF tool.
Password protect PDF files online
Password protect PDF documents to keep private files away from unauthorized access. Set an open password, download the encrypted PDF, and share the password securely.
How to protect a PDF with a password
- Upload your PDF document.
- Enter a strong password.
- Export and download the protected PDF.
Security tips
- Use a long password (12+ characters) with a mix of letters, numbers, and symbols.
- Don’t send the password in the same email as the PDF.
- If you also need to sign, do that first using Sign PDF Online.