PDF Locker

Secure Your Documents Easily with ToolKing’s PDF Locker

In today’s digital world, document security is more important than ever. Whether you’re sharing sensitive contracts, personal records, or confidential business information, it’s essential to protect your PDF files from unauthorized access. That’s where ToolKing’s PDF Locker comes in — a free, browser-based solution to password-protect your PDF documents instantly.

ToolKing’s PDF Locker is designed to be simple, fast, and secure. With just a few clicks, you can add a password to your PDF file without installing any software or signing up for an account. This tool works 100% in your browser, which means your files are never uploaded to any external server — ensuring complete privacy and data protection.

Using the Locker is incredibly easy. Upload your PDF, enter the desired password, and click “Lock PDF”. Within seconds, you’ll receive a secured version of your document that’s ready to download. The locked PDF will require a password to open, ensuring only authorized users can access its contents.

Unlike many other tools, ToolKing’s PDF Locker is entirely free to use, with no watermarks, hidden charges, or usage limits. It supports all major browsers and works flawlessly on desktops, laptops, and mobile devices. Whether you’re protecting a business proposal, a school project, or financial statements, our tool delivers reliable encryption every time.

ToolKing is committed to offering high-quality, user-friendly tools that improve your workflow. The interface is modern and responsive, with smooth animations that enhance the user experience without affecting performance. Our PDF Locker is also lightweight, meaning it won’t slow down your device or interrupt your work.

Why risk exposing sensitive information when you can lock your files in seconds? The Locker by ToolKing provides peace of mind and convenience — all at no cost. It’s perfect for students, professionals, freelancers, and anyone who values document security.