PDF Locker Tool – Add Password Protection to PDF Files Online | OnlinePCTools

PDF Locker by OnlinePCTools is a secure and easy-to-use tool that allows users to add password protection to PDF files directly in their browser. If you need to protect sensitive documents from unauthorized access, this tool lets you lock your PDF with a strong password in just a few clicks. Whether it's personal files, business documents, or confidential reports, you can ensure only authorized users can open them. Unlike many online tools, PDF Locker works entirely in your browser. Your files are never uploaded to any server, ensuring complete privacy and security. 🔹 Key Features: * Add password protection to PDF files instantly * No file upload – works locally in your browser * Fast, simple, and user-friendly interface * Compatible with all devices (mobile, tablet, desktop) * Free to use with no sign-up required PDF Locker is ideal for professionals, students, and businesses who need a quick and reliable way to secure their PDF documents. This tool is part of the OnlinePCTools platform, offering 100+ free browser-based utilities for file security, conversion, and productivity.