Password-Protect PDF
Put a password on a PDF and encrypt it with 256-bit AES. You can also stop people printing or copying from it. It all happens in your browser — neither the file nor the password is uploaded.
Frequently asked questions
Related tools
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Remove PDF Password
Completely remove the password from an encrypted PDF when you know it.
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Redact PDF
Cover sensitive information and flatten it to an image so the original text is gone for good — it cannot be copied or extracted.
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PDF Watermark
Lay text such as "CONFIDENTIAL" diagonally across every page.