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How To Protect PDF

Guides on how to password protect a PDF

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How To Protect PDF

How to Lock a PDF From Editing or Copying

The quickest way to lock and protect the content of your PDF document from editing or copying.

ComprimirPDF
How To Protect PDF

How To Secure a PDF File for Free

Securing a PDF with strong password protection has never been easier. It’s also free—no registration or strings attached!

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How To Protect PDF

How To Password Protect a Word Document

Password-protect your Word document in seconds. Or use Smallpdf’s online Protect PDF tool for stronger encryption and easier sharing.

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How To Protect PDF

How To Password Protect a PDF

A smart and simple solution for locking your PDF files with an unhackable password. Protect your files with military-grade security.

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How To Protect PDF

How to Encrypt a PDF Online for Free

You can use the Smallpdf Protect PDF tool to encrypt your PDFs with strong passwords online—at no cost.

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How To Protect PDF

How to Create a Strong Password the Old-School Way

Creating a strong, secure, and memorable password isn't difficult. Follow our quick guide to get it done in a jiffy!

We’ve written a few articles to guide you on how to best password protect your PDF documents. For other file formats, you can always convert them to PDF format, so that you can utilize this tool to encrypt it.