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In this tutorial, you will learn how to password protect and encrypt PDF documents using a free tool called Small PDF. This tool allows you to set a specific password for the document before sending it to the end user. This is useful for sending sensitive information or for restricting access to certain PDF documents, such as ebooks or guides. To use this tool, go to the Protect PDF option under Tools on Small PDF's website. Upload your PDF file, set a password, and your document will be password protected and encrypted.
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