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Home PDF Tools Protect PDF

Protect PDF

Add a password to your PDF to restrict access. Keep your sensitive documents secure.

  • Max file size: 50 MB
  • AES 128-bit encryption
  • Set password for opening
  • Option to set permissions password

Upload PDF

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Supports .pdf · all files are processed locally
AES 128-bit encryption industry standard
Password protection open & permissions
100% local · no upload to server
Download protected PDF instantly
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