Password Protect PDF
Encrypt PDF with password and permission controls
About Password Protect PDF
Password Protect PDF is a free online tool that encrypt pdf with password and permission controls. No registration or software installation required — simply upload your file, adjust settings, and download the result.
How to use Password Protect PDF
- Upload your PDF file using the upload area above
- Adjust processing options as needed
- Click "Process" and wait for processing
- Download your result file
Key Features
- 100% free with no daily limits
- No registration or account needed
- Files automatically deleted after 30 minutes
- Fast server-side processing
Frequently Asked Questions
Everything you need to know about this tool
Yes, Password Protect PDF on DocTools.CC is completely free with no daily limits and no registration required.
Yes. Your uploaded files are processed securely and automatically deleted from our servers after 30 minutes.
You can upload files up to 100MB. For larger files, consider splitting them first.
No. Password Protect PDF works entirely in your browser — no downloads or installations needed.
Yes. DocTools.CC is fully responsive and works on mobile devices, tablets, and desktops.