Protect PDF
Add an open password to a PDF with strong AES-256 encryption and, if you want, block printing or copying text. Keep the password safe: if it is lost, the file cannot be opened.
How to use Protect PDF
Choose your files or drop them into the box above.
Adjust the options if you need to, then press Start.
Download the result. Your original files stay unchanged.
Why file2go
Private by design
Files are processed in your browser. Nothing is uploaded to our servers.
Fast, even with big files
No waiting for uploads or downloads. The work starts the moment you click.
Free for everyone
No account, no watermark, no daily limit.