Need to protect sensitive PDF documents from unauthorized access? smaller-pdf.com PDF encryption tool lets you set an open password for your PDF right in your browser. Unlike other online encryption tools, both your password and files never leave your device — encryption happens entirely locally.
Upload your PDF, enter and confirm a password (6+ characters), and click encrypt. Download the encrypted PDF — it will require the password every time it is opened. Make sure to remember the password; it cannot be recovered.
Free, secure, no registration. Perfect for protecting contracts, financial statements, personal ID scans, and other sensitive documents.
AES-256.
Cannot recover.
No.