If you’re sending a PDF that contains private or confidential information, adding password protection is one of the simplest and most effective ways to keep it safe. This guide will walk you through three easy ways to lock your PDF using iLovePDF—no matter what device you’re on.
🔐 What Is a Password-Protected PDF?
A password-protected PDF requires the correct password to open. This is often called a User Password or Document Open Password. Without it, the file can’t be viewed—helping ensure that only the right people can access your content.
🛡️ How to Password-Protect a PDF File
You can secure your PDF file with iLovePDF using one of the three methods below:
✅ Method 1: Add a Password Online
- Go to the Protect PDF tool.
- Upload your PDF file from your device, Google Drive, or Dropbox.
- Type in your desired password and confirm it.
- Click Protect PDF.
- Download your encrypted file.
This method works on any browser—no installation or sign-up needed.
🖥️ Method 2: Add a Password on Mac or Windows
- Download and install the iLovePDF Desktop App.
- Open your PDF in the app.
- Click Protect PDF in the side menu.
- Enter and confirm your password.
- Click Protect to save your locked file.
Your file is encrypted and stored locally in your Output folder—no internet connection required.
📱 Method 3: Add a Password on Mobile (iOS & Android)
- Download the iLovePDF Mobile App.
- Open your PDF in the app’s file manager.
- Tap the three dots next to the file and select Tools > Protect PDF.
- Enter and confirm your password.
- Tap Protect, then find your file in the app’s file list.
Perfect for securing files directly from your phone or tablet.
🔑 How to Create a Strong PDF Password
Choose a password that’s:
- At least 8–12 characters long
- A mix of uppercase and lowercase letters
- Includes numbers and/or symbols
- Not based on personal information (like names or birthdates)
Example: X8t!f9Lk#203
Use a secure password manager if you’re worried about remembering it.
🔒 Is iLovePDF Safe?
Absolutely. iLovePDF is trusted by millions worldwide for secure document processing. All uploaded files are encrypted and automatically deleted shortly after processing. Want extra peace of mind? Use the iLovePDF Desktop App to protect documents locally without uploading anything.
To learn more, check out our guide: Are my files safe with iLovePDF?
🔓 How to Remove a Password from a PDF
Changed your mind? You can remove PDF password protection using the Unlock PDF tool:
- Upload the secured PDF.
- Enter the password.
- Click Unlock PDF to remove restrictions.
The file will now open freely without requiring a password.
Keep your documents protected, wherever you work.
Try iLovePDF online, on desktop, or on mobile to lock your PDFs with confidence.
