Password Protect a PDF Free

Add a password to a PDF with DocFila. The file is saved with AES-256 encryption and asks for the password to open.

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Ready to password protect a PDF?

Choose a PDF and set a password. Keep the password somewhere safe: DocFila cannot recover it.

How to password protect a PDF

  1. Open DocFila on web, iPhone, or Android.
  2. Add your file. Choose a PDF and set a password. Keep the password somewhere safe: DocFila cannot recover it.
  3. Export the result. Save an encrypted PDF that requires the password to open.

Why use DocFila for this workflow?

DocFila keeps common document jobs connected. After you password protect a PDF, you can sign the result, store it in your secure vault, share it, convert it, or continue editing without switching apps.

Most of these tools run on your device. Where one needs DocFila's online service, such as PDF to Word, the app asks before it uploads the file.

Related guides and features

Finish this document in DocFila

Use DocFila on web, iOS, or Android to scan, edit, sign, convert, protect, and organize your files.

Questions about this tool

Is DocFila Password Protect a PDF Free free?

Yes. You can start this workflow with DocFila for free on web, iOS, and Android.

Can I use this on my phone?

Yes. DocFila is built for iPhone, Android, and web browsers, so you can finish document workflows from any device.

Where should I go next?

Open DocFila to run the workflow, or read the linked guide for step-by-step instructions.

What should I check when sharing a password-protected PDF?

Reopen the exported PDF to confirm that access requires the password. Send the password through a separate channel and verify that the recipient can open the file. Keep a secure copy of the password and the original document.

Check current plans and limits and data handling before uploading sensitive files.