Secure PDF: Password Protect PDF & Images

Securely lock, encrypt, and set passwords on any PDF or Image file offline. Fast, free, and privacy-first.

Secure PDF Locker is the ultimate offline tool to instantly password protect your PDFs and Image files directly within your browser. In today's digital age, your privacy is constantly under threat. Most "free" online PDF locking services secretly upload your sensitive personal and financial documents to remote servers, putting your private data at risk. Secure PDF Locker solves this by bringing military-grade encryption directly to your local machine. Our extension works 100% offline. Your files never leave your computer, ensuring absolute privacy and peace of mind. ★ Key Features: - Military-Grade Encryption: Secures your files using industry-standard AES-256 encryption. - 100% Offline Processing: No servers, no uploads, no data harvesting. Your files are processed entirely inside your browser. - Multi-Format Support: Instantly lock PDFs, JPGs, and PNG files with a custom password. - Lightning Fast: Since nothing is uploaded or downloaded from the internet, files are encrypted and saved instantly. - Drag & Drop Interface: Beautiful, minimalist, and easy-to-use interface right in your Chrome toolbar. ★ How it works: 1. Click the Secure PDF extension icon. 2. Drag and drop your PDF or Image file (or click to browse). 3. Type in your desired password. 4. Click "Process & Save" to instantly download your locked file! ★ Who is this for? - Professionals sending sensitive contracts or financial invoices. - Individuals sharing personal ID documents (like passports or driver's licenses) over email or chat. - Anyone who values their digital privacy and refuses to upload their private files to sketchy online web tools. Take back control of your privacy. Install Secure PDF Locker today and ensure your sensitive documents remain for your eyes only.