Protect PDF

Lock a PDF with a password (AES-256)

Add a password to a PDF with strong AES-256 locking. Free, private, works in your browser.

How to use Protect PDF

1. Open Protect PDF on ClerkCam and choose your PDF (or drop it on the page).
2. Pick the settings you want.
3. Press the button and download your new file. That is it — free, no sign-up.

Questions

Is Protect PDF on ClerkCam free?

Yes. Every ClerkCam tool is free with no limit on use and no watermark. You do not need an account.

Are my files safe?

Your files never leave your device — everything happens in your browser.

Does it work on mobile?

Yes. ClerkCam works in the browser on Android phones, iPhones, tablets and computers. There is also an Android app.

More PDF security

• Unlock PDF – Remove the password from your PDF
• Sign PDF – Put your signature, initials or a stamp on a PDF
• Compare PDF – See what changed between two versions

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