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PDFstudio.cloud offers a secure and reliable solution for adding password protection to your PDF files. Whether you need to protect sensitive business documents, personal information, or confidential reports, our online PDF protection tool makes it quick and easy.
With our tool, you can set two types of passwords: a user password that restricts who can open the document, and an owner password that controls what recipients can do with the PDF. You can prevent printing, editing, copying content, and more, ensuring your documents remain secure and used as intended.
Security and privacy are our top priorities. All file processing happens securely in your browser, and files are automatically deleted after protection. There's no need to install any software or register an account - just upload your PDF and add protection instantly!