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Secure PDF

Encrypt, decrypt, and secure PDF files

Timestamp PDF

Add RFC 3161 trusted timestamps to PDF documents. Prove document existence at a specific point in time without certificates.

Encrypt PDF

Lock and password protect your PDF documents with military-grade 256-bit AES encryption. 100% private, client-side cryptographic security with zero server uploads.

Sanitize PDF

Remove hidden data from PDFs. Clean metadata, scripts, and sensitive information.

Find and Redact

Search and redact text across all pages of a PDF. Batch redact sensitive information like account numbers, names, and more.

Decrypt PDF

Remove passwords and printing, copying, or editing restrictions from your PDF files online. Fast, secure, and 100% client-side in your browser with zero server uploads.

Flatten PDF

Flatten PDF forms and annotations. Make content non-editable.

Remove Metadata

Strip metadata from PDF files. Remove author, dates, and document properties.

Change Permissions

Modify PDF permissions. Control printing, copying, and editing access.

Digital Signature

Add X.509 digital signatures to PDF documents. Sign PDFs with PFX, P12, or PEM certificates for legal validity.

Validate Signature

Verify digital signatures in PDF documents. Check certificate validity, signer information, and document integrity.

Certificate Encrypt & Sign

Secure PDFs using asymmetric public-key certificate encryption, paired with a 3D gold wax-seal imprint and PKCS#7 signature.

Sensitive Data Redaction

Automatically detect phone numbers, emails, and IDs, overlay opaque masks, and physically erase underlying text streams.

Signature Position Guide

Automatically locate signature fields in contracts, and inject interactive hovering guides and anchors for quick signing.