- The iOS 16 and iPadOS 16 updates brought the option to lock a PDF file using the Files app.
- Open your PDF in the Files app > Drop down menu at the top > Lock PDF > Add your password.
- Please note that you can’t remove the password from your PDF file.
How to Add Password to PDF on iPhone and iPad
The iOS 16 and iPadOS 16 updates brought the option to lock a PDF file using the Files app. Adding a password, you can secure the PDF files stored locally on your iPhone. Do note that your files stored in iCloud can’t be protected using a passcode.
Step 1: Open the Files app on your iPhone or iPad.
Step 2: Open the PDF you want to secure with a password.
Step 3: Tap the drop-down menu at the top and then tap on Lock PDF.
Step 5: Add the password for your PDF.
Step 6: Tap on Done at the top-right corner to save the password.
Please note that you can’t remove the password from your PDF file.
Alternatively , if your iPhone or iPad runs on an older software version and it doesn’t support iOS 16 or iPadOS 16, here’s how you can lock your PDF file .
Step 1: Open the Files app on your iPhone or iPad.
Step 2: Open the PDF you want to secure with a password.
Step 3: Tap the Share icon in the bottom-left corner and then select Lock PDF from the list of options.
Step 4: Select Lock PDF from the list of options.
Step 5: Add the password for your PDF and enter it again to verify.
Step 6: Tap on Done at the top-right corner to confirm.
Step 7: Tap on Done at the top-right corner again to save the password.
Add Password to PDF Using Adobe Acrobat on iPhone and iPad
The official website of Adobe Acrobat provides the Lock PDF feature. You can use this feature to secure files stored on your iCloud. This free online tool works like a charm and lets you download your password-protected PDF files straight to your iPhone or iPad. Here’s how to use it.
Step 1: Open the browser on your iPhone or iPad.
Step 2: Visit the official website of Adobe Acrobat PDF tool .
Step 3: Select the PDF file which you want to protect with a password.
Step 4: Enter your password twice to verify.
You can also use the strong password that your iPhone generates automatically.
Step 5: Click on Set Password .
If you have any such photos on your iPhone or iPad, you can easily convert those pictures into PDFs without any third-party app .
