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Adobe Acrobat

Password protect a PDF for free

Keep your sensitive information safe with password protect in Adobe Acrobat. Simply drag and drop your PDF, add a password, and your file is instantly secured. You can do it from anywhere, at any time — all for free.

Over 1M* files uploaded!
Join millions of users who have successfully password protected PDFs using Acrobat.
*Over an 18-24 month period.

Key takeaways

  1. Secure your sensitive data in seconds with Adobe’s free password protection tools.
  2. Simply drag and drop your chosen file to get started.
  3. No software installation required.

How to password protect your PDF for free

Let’s say you’ve got an important file with sensitive data – it needs protection, with restricted access granted only to specific people. That’s where Adobe Acrobat can help. You can password-protect your PDFs in four simple steps. All you need to do is:

  1. Upload a PDF by clicking the  Select a file  button or by dragging it into the drop zone.
  2. Enter a password, then retype to confirm it.
  3. Click Set password.
  4. Download the password-protected PDF document or sign into your free Adobe Acrobat account to share it with others.

Try our free PDF password protection tool

When you password protect a PDF, you can control access and keep your sensitive information secure It also helps ensure documents containing sensitive data are encrypted to comply with GDPR and other data protection standards – so you can share your files without worrying.

A PDF file with a lock representing a password protected PDF

Password protect PDF files in just a few clicks

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 authorise.

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Protect sensitive content in your PDF

Learning how to password protect a PDF is critical, especially when handling personally identifiable information like dates of birth or addresses. You can encrypt your PDF using our free online tools to ensure only those you authorise can access the document. This is crucial if you want to remain compliant with GDPR guidelines.

A lock with a no symbol showing how you can restrict unauthorised access to your PDF

Restrict unauthorised people from accessing your PDF file

Protect your PDF files from unauthorised viewers. Use our free Adobe Acrobat online tools to password protect your PDF and keep prying eyes locked out. Only those you’ve permitted can access your PDF file.

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Create a strong password for your PDF

Passwords should be strong and secure to give you peace of mind that sensitive data stays protected. Create a password to protect a PDF for free using Adobe Acrobat online tools, and we'll use established standards to tell you whether it's up to scratch.

A cloud with the Acrobat logo showing that you can use Adobe Acrobat online services without installing any software

No need to install any software

Secure your documents in seconds with password protect in Adobe. With Adobe Acrobat, all you need to access our online PDF tools is the internet. Launch Google Chrome or Safari and get to work. Drag, drop and away you go. Forget about downloading additional software.

A PDF protected with trusted password security

PDF password security you can trust

Adobe created the PDF. As the inventor and pioneer of this file format, we know best how to keep it safe and secure. Password-protect your PDF documents for free using Adobe Acrobat online tools for added peace of mind.

Why password protect a PDF with Acrobat?

If you’re working with sensitive information, it’s essential to safeguard it. Password protect your PDF with Acrobat for unrivalled defence against unauthorised access, editing, and more.

Secure files from your Office applications.

Keep others from copying or editing your PDF document by specifically restricting editing in Microsoft Word, Excel or PowerPoint.

Add a password to your PDF file.

Prevent unauthorised access to your PDF files by encrypting them with a certificate or password that recipients have to enter before they can open or view them.

Customise your protection.

Apply protections to PDFs with the “Publish Sensitive Information” action in Acrobat Pro. You can redact, password-protect a PDF, and save your file with edit and copy restrictions applied automatically.

Simplify document security for your team.

Create customised security policies to help everyone apply PDF password protection and permissions the same way every time.

Questions? We have answers.

More resources

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