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Protect PDF

NO SIGNUPAUTO-DELETESECURE

Password-protect your PDF file.

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Select or Drop File

Supports your required format • Max 50 MB

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🔒 We never store or save your files — auto-deleted instantly after processing.

About Protect PDF

Add password protection to PDF online for free. Secure your PDF with a password to prevent unauthorized access.

Frequently Asked Questions

How do I password protect a PDF?

Upload your PDF, set a strong password, click Protect and download the encrypted file.

What encryption does WIZLIX use?

AES-256 encryption — the same standard used by banks and government agencies.

Can I protect multiple PDFs?

One file at a time. Protect each file separately.

How to open a password-protected PDF on mobile?

Open in any PDF reader app on your phone — enter the password when prompted.

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