Password Protect PDF Online for Free

Drag PDF file here (max 15MB)

or

Your files will be securely handled by Foxit cloud servers.
By using this service, you agree Foxit's Terms of Service and Privacy Policy.

Rate this tool

0/5 - 0 votes

How to Password Protect a PDF Online

1

Drag and drop your PDF file into Foxit’s online PDF password protection tool.

2

Click 'Set Password' to specify a password for your document. Foxit’s service will apply password protection to your file.

3

Click 'Download Your File' to save the password-protected PDF to your computer.

What Makes Foxit the Best Online Password Protect PDF Tool

Protect PDFs with a Password

Easily add password protection to your PDF files using Foxit’s online tool. Upload your document, set a password, and download a protected PDF in just a few steps.

Simple and Fast PDF Security

Password-protect PDFs online to help control access to your documents. Foxit’s tool makes it easy to secure files before sharing, storing, or sending them to others—no software installation required.

Safe and Secure

After password protection is applied, Foxit automatically deletes both the original and protected files, helping ensure your documents and information remain private.

Password Protect PDF for Free on Your Desktop for 14 days.

High-Quality Password Protect PDF Tool + MORE

Top Use Cases for our Password Protect PDF Tool

Many PDFs contain sensitive data such as contracts, financial reports, or personal information. Foxit’s Password Protect PDF tool helps you secure documents before sharing them online or by email so only authorized people can open them.

Organizations often need to protect personal, financial, or business‑critical PDFs to meet compliance requirements. Adding password protection controls who can open and view the file and supports document control during audits or reviews.

Internal documents like training materials, reports, or strategy plans can circulate widely. Password protecting PDFs makes sure they stay within authorized teams and reduces risk even when stored on shared drives or cloud storage.

PDFs stored in cloud folders or archives may be accessed by many people. Applying password protection before storage adds an extra layer of security so only people with the password can open those files when needed for future reference.

Frequently Asked Questions on our Password Protect PDF Tool

Password protection restricts access to your PDF. Only users who know the password can open and view its contents, helping prevent unauthorized access.

To password protect a PDF online with Foxit, upload the file, enter a password, click ‘Set Password,’ and download the protected file. It is fast and simple without installing software.

No. Foxit creates a new, protected PDF file and leaves your original file unchanged. You can keep both versions.

Yes. Password protection encrypts your PDF so that someone must enter the correct password before they can open and view it.

Yes. Download Foxit PDF Editor to password protect PDFs on your desktop and get additional security options and controls.

The online tool works with all major operating systems via a modern browser, including Windows, macOS, Linux, iOS, Android, and ChromeOS.

Use a mix of uppercase and lowercase letters, numbers, and symbols. Longer, unique passwords are harder to guess and provide stronger protection.

Yes. The recipient only needs a PDF reader and the correct password to open the protected file.

See How Foxit Stacks Up

Redefining your PDF experience with speed and innovation.

"ESIGN Functionality Outperforms Other Products"

IT Manager in the IT Services Industry

Gartner^® and Peer Insights ™ are trademarks of Gartner, Inc. and/or its affiliates. All rights reserved. Gartner Peer Insights content consists of the opinions of individual end users based on their own experiences, and should not be construed as statements of fact, nor do they represent the views of Gartner or its affiliates. Gartner does not endorse any vendor, product or service depicted in this content nor makes any warranties, expressed or implied, with respect to this content, about its accuracy or completeness, including any warranties of merchantability or fitness for a particular purpose

Password Protect PDF Online for Free

How to Password Protect a PDF Online

What Makes Foxit the Best Online Password Protect PDF Tool

Protect PDFs with a Password

Simple and Fast PDF Security

Safe and Secure

Password Protect PDF for Free on Your Desktop for 14 days.

Top Use Cases for our Password Protect PDF Tool

Secure Confidential Documents Before Sharing

Enable Compliance and Controlled Access

Protect Internal Files and Team Documents

Safeguard Archived or Stored Documents

Frequently Asked Questions on our Password Protect PDF Tool

What does password protection do to a PDF?

How do I password protect a PDF online?

Will password protection change my original PDF?

Is the protected PDF secure from unauthorized access?

Can I password protect PDFs offline?

What devices and browsers work with Foxit’s Password Protect tool?

How do I choose a strong PDF password?

Can I share a password protected PDF with anyone?

Related Articles You May Find Helpful

Try the Best Free PDF Online Tools

See How Foxit Stacks Up