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Security
Unlock PDF
Remove password encryption and printing/editing restrictions.
Security
Protect PDF
Encrypt your sensitive documents with a secure user password.
Security
Sign PDF
Add a legally binding digital signature or draw your e-signature.
Security
Redact PDF
Permanently black out sensitive text and graphics for privacy.
Security
Compare PDF
Highlight differences and text changes between two PDF versions.
Security
Text Encryption
Encrypt and decrypt text with AES-GCM and a passphrase.