Loading...
Loading...
Add password protection to your PDF files. Set owner and user passwords with custom permissions.
Drop your files here
or click to browse your files
Supports: PDF • Max: 100MB
Protect PDF adds strong password encryption to your PDF documents to prevent unauthorized viewing and tampering.
Apply 128-bit or 256-bit AES encryption to lock confidential financial records, medical documents, and legal contracts.
Restrict permissions to prevent printing, text copying, editing, or modifying form fields.
Ensure sensitive data remains secure when emailing attachments or storing files in cloud drives.
Fast, user-friendly interface lets you set open and permission passwords effortlessly.
Understanding Protect PDF is essential for streamlined document management. PDFMate processes pdf files and outputs high-quality pdf documents using modern serverless infrastructure built for speed, precision, and privacy.
All operations performed on Protect PDF execute with 256-bit SSL encryption. Uploaded files up to 100MB are processed 100% in volatile memory and are never stored on server storage or saved to disk.
Whether working on desktop computers, laptops, tablets, or smartphones, PDFMate's responsive web architecture ensures smooth document workflows without requiring software installations or user accounts.
We support standard 128-bit and high-security 256-bit AES encryption algorithms.
Yes, you can allow viewing while setting an owner password to block printing or copying.
For privacy reasons, PDFMate does not store passwords. Make sure to remember or safely store your password.
Yes! Protected PDFs open in Adobe Acrobat, Apple Preview, web browsers, and mobile PDF readers.
No! Passwords are used strictly during in-memory encryption and are never logged or stored.
Yes, password protecting PDFs on PDFMate is 100% free.
Process, merge, and edit PDFs directly on your smartphone.