Protect PDF
Secure your PDF files with strong passwords and encryption. Protect sensitive documents from unauthorized access. Fast, free, and private.
Runs in your browser. No account required.
How to use Protect PDF
Add password to PDF. Protect PDF runs in your browser with no account and no upload.
- Enter a value, or add a file if the tool takes one.
- Choose the options or units you need.
- Copy or download the result.
Questions
- Is my data uploaded to a server?
- No. The conversion runs in your browser with JavaScript, so your files and text stay on your device.
Related tools
- Image to PDF: Combine images into a PDF.
- PDF to Image: Convert PDF pages to images.
- Merge PDFs: Merge multiple PDF files.
- Unlock PDF: Remove password from PDF.
- Split PDF: Split PDF into multiple files.