Protect PDF

Lock a PDF with a password using AES-256.

Free, no sign-up. It runs inside your browser: your files never leave your device.

More Security & privacy tools

• Remove password: Open a protected PDF and save it without the password.
• Remove restrictions: Remove print, copy and edit limits from a PDF you own.
• Auto-redact personal data: Find and remove Aadhaar, PAN, card numbers, emails, phones.
• Privacy risk scanner: Find personal data and hidden metadata before you share.
• File fingerprint: Hashes to verify a file, compare files and check a hash.

All tools