How do I add a password to a PDF for free?

Upload your PDF on FreePDFConvert, enter your chosen password and click 'Protect PDF Now'. Download your password-protected PDF instantly.

What encryption does FreePDFConvert use for PDF protection?

We use AES-256 bit encryption, which is the industry-standard encryption used by banks and governments.

Yes, use our Unlock PDF tool to remove the password if you know the original password you set.

Yes, all files are processed with secure HTTPS encryption and automatically deleted after conversion. We never store your documents.

Secure your PDF with a password. Free online PDF encryption – instant & safe.

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