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Password Protect PDF

Encrypt your PDF with a password

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The file exceeds the maximum file size allowed. Please feel free to use our desktop version.

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  • Upload completed Upload failed Damaged file Invalid File Type! File protected

Enter a password to protect your document.

Note: this will make it impossible to open without entering the correct password.


Your PDF file is now protected with a password!

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File protected

This file is password protected, please submit the password so that we can open it.


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How to password protect a PDF:

1. Import PDF file online to our Protect PDF tool.
2. Then wait for file extraction.
3. Enter a 6-20 characters password for your PDF file.
4. Click "Download" button to get the encrypted file.

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  • Privacy is protected

    As we have a cloud platform we use SSL encryption to ensure 100% online safety. Plus all the files uploaded on a platform are also deleted after processing.

  • Easy PDF Tool

    Our PDF tool is quick, easy and free. Put password on your PDF files instantly with our PDF password protection tool.

  • Runs on all Browsers

    Our browser-based HiPDF works for several platforms, whether you use Mac, Windows, or Linux. Moreover, the tools allow you to use it anywhere without any hassle.

  • Secured PDF API

    There is no other PDF conversion API you could use to meet your requirements. We offer top solutions to convert file formats as easily as possible.

  • Ideal PDF Tool

    HiPDF is the ideal solution for providing excellent PDF tools. Just select the file you want to protect and let us work!

  • Processing in the Cloud

    With our cloud-based platform you can convert any file online directly on the cloud and without any software installation.

Learn how to secure PDF step by step


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