Protect PDF
Add strong password encryption to protect PDF documents from unauthorized opening or copying.
About Protect PDF
Add strong password encryption to protect PDF documents from unauthorized opening, printing, or copying.
How to use Protect PDF
1
Add your file
Choose a file or drag it onto the upload box. We check that the file type and size are supported.
2
Pick your options
Change the settings shown next to the file if you need to. The defaults work for most files.
3
Download the result
Click the main button, then download your new file. Check it before you share or submit it.
What it does
- ✓Applies industry-standard AES-256 encryption to the PDF container
- ✓Restricts unauthorized viewing, text copying, and page extraction
- ✓Processes entirely in local browser RAM without sending passwords to servers
- ✓Compatible with all standard desktop and mobile PDF readers
When to use it
Confidential Client Proposals
Secure proprietary bids and pricing estimates before emailing them to prospects.
Financial & Payroll Records
Protect monthly payslips, financial audits, and banking statements with unique passwords.
Legal Filings & Contracts
Encrypt legal agreements and non-disclosure documents prior to distribution.
Tips
- •Use a strong passphrase combining letters, numbers, and special characters.
- •Record your password in a secure password manager; FileBuddy does not store your passwords.
- •Test opening the protected PDF in a new private window to confirm the password prompt works.