Protect PDF
Lock confidential documents with a secure password to prevent unauthorized viewing or printing.
Drag and drop your PDF documents here
Encrypt your PDFs with passwords and AES-256 permissions or remove restrictions 100% privately.
Compatible with PDF 1.4 to 2.0 • Process one or multiple filesProtect PDF files with secure password encryption online
When sending documents with sensitive information via email (such as financial statements, medical files, legal agreements, or payroll details), anyone intercepting the attachment could access its contents.
With this tool, you can lock your PDF with strong password encryption. From that moment on, only recipients who know the correct password can open and view the document.
When you will need to password-protect a PDF
Payroll slips and tax certificates
Ensure employee earnings and tax documents can only be viewed by the intended recipient.
Financial statements and business audits
Restrict access to accounting balances, cap tables, and banking details before sending them to advisors or partners.
Confidential medical and legal records
Ensure strict confidentiality on health records, power of attorney documents, or estate plans.
Frequently asked questions about protecting PDFs
The tool uses standard PDF encryption compatible with all universal PDF readers (Adobe Acrobat, Chrome, Safari, Edge, and mobile viewers).
For security reasons, we do not store passwords or maintain backdoor keys. Make sure to record the password securely.
Yes. Any native PDF reader on iOS or Android will prompt for the password to unlock the document.