Protect PDF with Password - Free & Private
Add password encryption (AES-256) to your PDF. Set owner and user passwords separately.
Processed locally — your files never leave your device
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How to Protect PDF
1
Upload Your File
Click the upload area or drag and drop your PDF into the box above.
2
Configure Options
Adjust any settings if needed, then click the "Protect PDF" button to process.
3
Download Result
Your processed file is ready instantly. Click download — done!
Frequently Asked Questions
We use AES-256 encryption, the same standard used by banks and governments. Your password is never sent to any server.
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