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  1. Password protect PDF and encrypt a PDF for free | Acrobat

    Add PDF password protection to your file to protect sensitive content. When you encrypt a PDF, only people with the password can view the file content.

  2. Protect PDF. Tool to encrypt PDF with password - iLovePDF

    Encrypt and protect PDF with a password to safeguard sensitive information. Secure your PDF files online, with ease and without registration.

  3. Password Protect PDF | Lock PDFs with Password Protection

    Password protect your PDF to prevent unwanted access. Keep your files safe and sensitive info secure with a free online PDF lock with trusted encryption.

    • Reviews: 13.5K
    • Protect PDF - Protect your PDF documents online - PDF2GO

      Protect your PDF files online by adding a password to prevent people from copying or printing your PDF document. Secure PDF files for free.

    • Protect PDF - quick, online, free - PDF24

      Free online tool to password protect PDF files and to set PDF security settings. No quality loss. Without installation. Without registration.

    • Password Protect PDF - Safely Encrypt your PDF Online - Sejda

      Click Encrypt PDF and then Download your protected PDF. Ready to password protect your PDF? No registration or watermarks. Simple and secure way to password protect your PDFs …

    • 4 Ways to Password-Protect a PDF File on Windows 11

      Jan 25, 2025 · If you have a confidential PDF you want to password protect, you have a few ways to do that on your Windows 11 PC. You can use a desktop app or a web-based tool to encrypt …

    • Password Protect PDF | Encrypt PDFs with Password Protection - Soda PDF

      Password protect your PDF to keep out any unwanted guests! Our online Password Protector tool prevents anyone without a password from opening and accessing the content of your file.

      • Reviews: 9.3K
      • Abobe Acrobat Pro Too Expensive? Here's How I Password Protect

        May 5, 2025 · Select the file or drag it onto the screen, create a password, and then click Protect PDF files. You can then save the protected file, ideally with a different name than the original.

      • Protect PDF Files Online - Add Password to PDF

        Just import an invoice, legal form, or any file you want to keep private, enter a password, and encrypt PDF in a matter of seconds. You won’t see annoying ads or watermarks.

        • Reviews: 2.8K