Security PDF Tools
Protect, encrypt, unlock, and sign PDF documents with confidence. Every security operation runs locally in your browser — passwords and files never travel across the internet. AES-256 encryption standard.
Tools in this category
- Protect PDF — Add a password to a PDF document
- Unlock PDF — Remove a password from a protected PDF
- PDF Signer — Sign a PDF document in your browser
- PDF Redactor — Permanently remove sensitive PDF content
- PDF Encryption Checker — Check whether a PDF is encrypted
- PDF Password Strength Helper — Review password protection choices
- PDF Permission Checker — Review PDF copy and print permissions
- PDF Digital Signature Checker — Inspect digital signatures in a PDF
- PDF Certificate Viewer — View certificate information in a PDF
- PDF Privacy Checker — Review privacy-sensitive PDF properties
- PDF Secure Delete Guide — Prepare a PDF before secure sharing
Private browser-based PDF processing
PDF I LIKE keeps document processing on your device. Use the tools and guides below to complete common PDF tasks without uploads, accounts or watermarks.