Protect PDF with Password Online Free
Drag & drop or click to upload
Max size: 100.0 MB
Processed locally — your files never leave your device
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How to Protect PDF with Password Online Free — Step by step
- 1
Upload your PDF
Select the PDF file you want to protect.
- 2
Set a password
Enter a strong password and choose encryption level.
- 3
Download protected PDF
Save your secured PDF and share it safely.
Frequently Asked Questions
What type of encryption is used?
Your PDF is encrypted with 128-bit or 256-bit AES encryption, the industry standard.
Can I set permissions like printing or copying?
Yes. You can restrict printing, copying, and editing with an owner password.
Can the recipient open the PDF on any device?
Yes. Password-protected PDFs work in any standard PDF reader that supports encryption.