Protect PDF
Add an open password to a PDF so recipients must enter it before viewing the document. Set a strong password and the PDF will be unreadable to anyone without it.
- 1Upload the PDF you want to password-protect
- 2Enter a strong password — at least 12 characters with mixed case, numbers, and symbols
- 3Optionally set an owner password to also restrict printing and copying
- 4Click 'Protect PDF' to apply AES encryption
- 5Download the protected PDF and share the password separately with recipients
- Password-protect a salary slip PDF before emailing to an employee
- Add a password to a confidential board agenda before sharing with directors
- Protect a contract PDF so only the intended recipient can open it
- Secure a personal tax document PDF before uploading to cloud storage
Related Tools
Unlock PDF
Remove the open password from a PDF you have legitimate access to. Enter the current password and download an unlocked copy you can share or work with without entering credentials each time.
Encrypt PDF
Apply AES-256 encryption to a PDF for strong file-level security. Specify open and owner passwords to control both access and usage permissions in a single operation.
Decrypt PDF
Remove AES encryption from a PDF using the owner or user password, producing an unencrypted copy. Useful when you need to process a secured PDF with tools that require an unencrypted input.
PDF Permission Password
Set an owner/permissions password on a PDF to control what users can do: restrict printing, copying of text, commenting, or form filling — without preventing them from opening the document.