Protect PDF
Add password protection and encryption to your PDF files.
Drop your PDF here
or
Maximum file size: 100MB
How to Protect PDF
Upload the PDF file you want to protect with a password.
Enter a strong password that will be required to open the document.
Optionally set permissions like preventing printing or copying.
Click "Protect PDF" and download your encrypted, password-protected file.
About Protect PDF
Set a password on your PDF so only the right people can open it. The encryption uses AES-256 (the same standard banks use), and it all happens in your browser. We never see your password or your files. You can also restrict printing and copying if you want extra control.
Frequently Asked Questions
AES-256, which is the same encryption standard used by banks and government agencies. For all practical purposes, it cannot be cracked.
Yes. You can block printing, text copying, and editing. These restrictions use a separate permissions password from the one needed to open the file.
Since we never see or store your password (all processing is local), there is no way to recover a forgotten password. Be sure to keep it in a safe place.
Yes, you can set an open password (required to view the file) and a separate permissions password (required to change security settings).
By a tiny amount, yes. Encryption adds a small overhead, but it is barely noticeable -- usually just a few KB.
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