PDFIXOIn-Memory Ready
PDFIXOEncrypt your PDF with a strong AES-256 password
Select the document you want to password protect
Enter a strong password — AES-256 encryption applied
Get your encrypted PDF, processed in-memory with zero retention
This is a free online PDF Protect tool that allows you to easily process your documents directly in your browser without any watermarks or registration.
Upload your PDF file using the upload button above.
Select your desired options and wait for the processing to finish.
Download your processed PDF file securely.
Yes, this PDF Protect tool is completely free to use without any limits.
Absolutely. We do not store your files on our servers. Processing happens securely in your browser.