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Easy PDF Tool
Our PDF tool is quick, easy and free. Put password on your PDF files instantly with our PDF password protection tool.
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.
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.
Your file security and privacy are guaranteed.
As a member of the PDF Association, HiPDF has received international authoritative certifications, including ISO/IEC 27001, SSI SECURE, etc. All files uploaded will be permanently deleted within 60 minutes after processing. We are committed to providing users with PDF solutions and ensuring their privacy and file security.
How to password protect a PDF?
Step 01. Upload PDF files online
Import PDF file online to our Protect PDF tool.
Step 02. Add password to pdf online
Then wait for file extraction. Enter a 6-20 characters password for your PDF file.
Step 03. Save the protected file
Click the "Download" button to get the encrypted file.