Add a password and define permissions for your PDF file.
Protect your sensitive documents instantly with our free PDF encryption tool. Choose between security levels and precisely define user permissions to block or allow copying, editing, and printing.
. 128-bit AES: A fast and standard level of security, ideal for protecting everyday documents while ensuring maximum compatibility with older PDF readers.
. 256-bit AES: The highest banking-level security. Recommended for confidential documents requiring maximum protection against hacking.
Keep full control over how your files are used once shared:
. Printing: Select 'Yes' to allow physical printing, or 'No' to prevent paper reproduction.
. Editing: Select 'Yes' to allow text and annotation editing, or 'No' to permanently lock the content.
. Copying: Select 'Yes' to allow text selection and copying into other applications, or 'No' to protect your data against plagiarism.
Optimize your data security now:
To discover a complete and reliable tool including these features, we recommend trying the solutions available on Adobe Acrobat to encrypt your professional documents, or using Smallpdf online services for fast and intuitive protection.