FileLivo

AES-256 protection without uploads

Add an open password to your PDF
inside your browser.

Create a new password-protected PDF without sending the file or password to a server.

✓ No server upload✓ AES-256✓ No password storage

PDF security tool

Password protect PDF

Choose PDF file
No file selected

A password of at least 8 characters is recommended. FileLivo cannot recover a lost password.

Waiting for a local PDF.

🔒 Your PDF and password stay on this device. Closing the tab clears the working state.

Browser-local processing

How is the password applied?

Only when you start the task, a qpdf-based WebAssembly engine loads in a separate Worker and applies an AES-256 open password. The original stays unchanged and a new file is downloaded.

Before you start

  • Encrypted and digitally signed PDFs are not processed.
  • Password removal, recovery, and password finding are not provided.
  • For important documents, open the result and check its pages and links yourself.

Password protect PDF FAQ

Is my PDF or password sent to a server?

No. The file and password are used only in browser Worker memory and are not sent to a server, analytics, or storage.

Which encryption is used?

The tool applies AES-256 encryption with a PDF open password.

Can FileLivo recover a lost password?

No. FileLivo does not store the password, so keep it separately in a safe place.