Protect PDF
Add a password to a PDF and control printing, copying and editing.
To password protect a PDF, add the file, type and confirm a password, choose what people may do once it's open, and download the encrypted copy.
About Protect PDF
Add an open password to any PDF with strong AES-256 encryption, and choose whether people who open it can print, copy text or edit it. Protection is applied entirely in your browser, so confidential contracts, statements and ID documents are never uploaded to a server.
To password protect a PDF, add the file, type and confirm a password, choose what people may do once it's open, and download the encrypted copy. The PDF is locked with AES-256 encryption, the strongest standard PDF readers support, and the work happens entirely in your browser.
How to use Protect PDF
- Choose the PDF you want to protect.
- Enter a password and type it again to confirm.
- Choose whether printing, copying and editing are allowed.
- Click Protect PDF and save the encrypted file.
Key features
- AES-256 encryption.
- Separate controls for printing, copying and editing.
- Works with Adobe Reader, Chrome, Edge, macOS Preview and phone PDF apps.
- No upload — your document stays on your device.
Common use cases
- Emailing payslips, statements or medical reports securely.
- Sharing contracts that shouldn't be edited or copied.
- Locking scanned ID documents before storing them in the cloud.