PDF Security Tools
Protect sensitive documents: password encryption, redaction, digital signatures, and more.
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Protect PDF
Add AES-256 password encryption to any PDF.
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Unlock PDF
Remove the password from a PDF you own.
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Redact PDF
Permanently redact sensitive text and images.
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Sign PDF
Add a digital signature image to any PDF page.
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PDF security tools process your files securely with AES-256 encryption. How our tools work →