Protect PDF
Add password protection to PDF files
Processed securely in your browser
Encrypt with AES-256. Keep your password safely: it cannot be recovered here. Files and passwords stay on this device.
Drag & drop your file here
or click to browse • .pdf • Max 50MB
How to Use
1
Upload
Upload your file or enter your data
2
Configure
Choose your settings and options
3
Process
Click process and wait for results
4
Download
Download your processed result
About Protect PDF
Encrypt a PDF with an AES-256 password. Keep the password safely: this tool cannot recover a forgotten password. All processing happens directly in your browser — your files never leave your device.