🔒

PDF Password Protection

Add a password to your PDF to restrict opening and editing. Protect sensitive documents online for free.

Use This Tool Free
Key Features
  • Add password protection to any PDF
  • Restrict opening, printing, and editing
  • Uses AES encryption
  • Instant protection, no software needed
  • Files auto-deleted in 30 seconds
Frequently Asked Questions
PDFs are encrypted using industry-standard AES-128 or AES-256 encryption.
Yes. You can set an owner password (for editing) and/or a user password (for opening).
Use our Unlock PDF tool with the password you set.
Yes. Password-protected PDFs work with Adobe Acrobat, Preview (Mac), Foxit Reader, and all standard PDF viewers.
All files are automatically deleted 30 seconds after the conversion is complete.
Related Tools