Protect PDF
Lock a PDF with a password. It is encrypted with AES-256, and anyone who opens it will need the password. It happens in your browser, and we never store the password.
Your files stay on your device.Free and unlimited, no account needed. This tool works in your browser, so nothing is uploaded.This tool works in your browser, so your files stay on your device.
Password protect a PDF
Lock a PDF with a password, encrypted with AES-256, so only people who know it can open it.
- 1
Choose a PDF.
- 2
Type the password to lock it with.
- 3
Download the locked PDF.
Protect PDF from your code
The same tool is an API endpoint. Send your files with an API key, then fetch the result when the job is done.
curl -X POST https://api.pagey.in/v1/protect-pdf \
-H "X-Api-Key: YOUR_KEY" \
-F "files=@your-file"Questions
Do you keep my password?
No. Your PDF is locked right in your browser, and we never store passwords.
Is Protect PDF free?
Yes, and as often as you like. It works in your browser, so there is nothing to sign up for.
What happens to my files?
They stay on your device. The tool works in your browser, so your files are never uploaded. Only a file too large for your device, or one your browser can't read, is sent to our servers instead; it is deleted as soon as the job finishes.
Do I need to install anything?
No. It works in the browser on any computer, tablet or phone.
Can I use Protect PDF from my own code?
Yes. Every tool is also an API endpoint. Send your files to POST /v1/protect-pdf with an API key from your Account page, then download the result when the job is done.