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Easily work offline with our all-in-one PDF editor for desktop. Try 15 days risk-free.
Are you enjoying our online tools?
Easily work offline with our all-in-one PDF editor for desktop. Try 15 days risk-free.
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Password Protect PDFs for Free Online

Easily secure important PDFs with a password directly in your browser. Keep your private files private!

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However, in the event of an error, we may temporarily keep a file to aid us in identifying and resolving the issue. The file will be deleted afterwards.
We do not store the files once the user's session expires
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No Installation or Sign-up required

No downloading software, no signing up necessary. Just visit this webpage from your browser, and get started!

Why Password Protect a PDF?

Keep your private files private! Prevent unwanted viewing, opening, and editing of your PDF documents.

Safe & Secure — Your Privacy Matters to Us

Uploaded files are deleted after 24 hours.

What PDFs Can I Protect?

Add a password to any PDF document that you want to make more secure with this free, online tool.

100% Free

Our PDF password tool is 100% free to use.

Works on Any Device

Instantly add a password to your PDF in your browser, on any device! Windows, Mac, Chrome, Linux — you name it!

How it Works

How to Password Protect a PDF for Free

How it Works

How to Password Protect a PDF for Free

Upload a PDF that you want to protect with a password

Upload the PDF you want to protect with a password using the upload button, or drag and drop the file into window.

Set and confirm a password

Select a strong password, then repeat the password to confirm it.

Download!

Download your newly protected PDF file.

example of how to upload file
Upload a PDF that you want to protect with a password

Upload the PDF you want to protect with a password using the upload button, or drag and drop the file into window.

example of how to upload file
Set and confirm a password

Select a strong password, then repeat the password to confirm it.

example of how to protect file
Download new PDF

Download your newly protected PDF file.

example of how to download file
Related Guides
Here are some related guides to help you keep working on your PDF.
    Support

    Frequently Asked Questions

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    What is the Password Protect PDF tool used for?
    Use PDF Pro's Password tool anytime you want to secure important documents and prevent unwanted viewing or changing of a PDF.
    What functions does the Password Protect PDF tool have?
    Can you Password Protect PDFs for free?
    How do I password protect a PDF for free?

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