Protect PDF
Add password protection to your PDF.
12.9K+ files converted
Drop your file here
or click to browse
PDF files accepted
Conversion Complete!
Download in s
Get the download link sent to you:
Link will be sent to your email!
File converted!
You've used all 3 free conversions today.
This file exceeds the free 25MB limit.
One-time payment · Stripe & PayPal
Convert often? Save with a subscription:
Conversion Failed
We hit a snag, but we've got you
Leave your email and we'll send you the converted file within 24 hours.
Got it! We'll email you within 24 hours.
Secure your PDF files with password protection using 256-bit AES encryption. Recipients will need to enter the password to open the document.
Protect PDF — How It Works
- 1 Upload your PDF file
- 2 Enter a strong password (min. 4 characters)
- 3 Click Protect to encrypt
- 4 Download the password-protected PDF
Frequently Asked Questions
We use 256-bit AES encryption, the same standard used by banks and government agencies.
Yes, use our Unlock PDF tool with the password to remove protection.