PDF security
Protect PDF
Encrypt a PDF with a password and AES-256.
- 1Upload
- 2Customize
- 3Process
- 4Download
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ABOUT PROTECT PDF
Protect PDF with Password
Protect PDF encrypts your document with AES-256 using QPDF. Choose a password and decide whether recipients may print, copy text, or modify the file.
This tool uses the Paperly processing service. Files are processed in a temporary folder and deleted as soon as your download starts.
How to protect PDF
- UploadSelect or drop your PDF into the Protect PDF tool.
- CustomizeAdjust the settings to get exactly the result you need.
- DownloadProcess the file and download the result instantly.
Frequently asked questions
Can you recover a lost password?
No. Paperly never stores passwords. Keep an unprotected copy or a note of the password somewhere safe.
Are permissions enforced?
Permissions are protected by a separate random owner password, and respected by standards-compliant PDF viewers.