Secure, Encrypt, Watermark & Sign PDF Documents
Safeguard confidential business contracts, financial summaries, and personal records. Apply robust password encryption, stamp copyright watermarks, and execute electronic signatures — with total certainty that sensitive files never leave your device.
PDF Protection and Verification Utilities
Protect PDF
Encrypt your PDF documents with custom user and owner passwords to block unauthorized viewing and editing.
Unlock PDF
Remove password protection and printing restrictions from authorized PDF files for unrestricted access.
Watermark PDF
Stamp custom confidentiality notices, draft labels, or brand image logos diagonally across all pages.
Sign PDF
Draw or upload verified digital signatures to sign contracts, agreements, and NDAs in seconds.
Edit & Annotate PDF
Add redactions, text overlays, highlighter boxes, and notes directly on PDF pages before sharing.
Recommended Document Security Workflows
Securing Legal & Financial Agreements
After finalizing agreement terms, apply your digital signature via Sign PDF, stamp a "CONFIDENTIAL" watermark using Watermark PDF, and encrypt the final document with Protect PDF.
Auditing & Unlocking Archived Files
When updating an older encrypted contract, remove the active password with Unlock PDF, make required notes with Edit PDF, and optimize the document via Compress PDF.