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

    Click the Select a file button above, or drag and drop a PDF into the drop zone. Enter a password, then retype it to confirm the password. Click Set password. Download the password-protected PDF …

  2. Password protect a PDF - Adobe

    Add PDF password protection with the Adobe Acrobat online tool for free. By adding a password to your PDF file, you can limit access and only allow people with the password to view the file content.

  3. Add passwords to PDFs - Adobe Inc.

    Dec 5, 2025 · Select All tools > Protect a PDF. In the left pane, select Protect with password. In the dialog box that opens, select if you want to set the password for Viewing or Editing. Advanced …

  4. How to make a PDF non-editable as a read-only PDF | Adobe Acrobat

    Learn how to make your PDF non-editable to protect your documents. Our step-by-step guide will help you keep your sensitive information safe and secure.

  5. Password protected PDFs and PDF security | Adobe Acrobat

    How to add passwords and permissions to PDF files: Open a file in Acrobat and choose “Tools” > “Protect.” Select whether you want to restrict editing with a password or encrypt the file with a …

  6. Protect PDFs - Adobe Inc.

    Dec 10, 2024 · On the Acrobat on the web homepage, select Edit > Protect a PDF. In the dialog box that opens, select the file location from the top menu, select the file you want to protect, and then select …

  7. Password Protect a PDF for Free | Protect your PDF Online | Adobe

    Use the free online PDF password protection tool from Adobe Acrobat to keep your files secure. Simply click ‘ Add a Password ’ to encrypt your PDF and restrict access to only those you authorize.

  8. How to password protect a PDF on a PC | Adobe Acrobat

    How to password protect a PDF. Easily add a layer of security to your PDF files. Follow these six steps to password protect PDFs on your PC.

  9. How to secure a PDF file. - Adobe

    Learn how to secure a PDF file. Secure your sensitive documents and protect PDFs with passwords to ensure only authorized users can access them.

  10. How to password protect a PDF | Adobe Acrobat

    We’ll show you how to password protect a PDF for free and restrict certain features, such as printing and editing, in Adobe Acrobat.