SparkVault Secure Website Locker

Secure, local-first website locker with master credentials, PIN and encrypted security key recovery.

SparkVault Secure Website Locker transforms your browser into a private, controlled environment where only you decide which sites can be accessed. With its zero-knowledge local security architecture, SparkVault lets you lock individual pages or entire domains using strong, salted credentials while keeping all sensitive data stored safely on your device. No cloud servers, no accounts, no external transmission of passwords or browsing activity. The extension focuses on complete offline security, offering multiple authentication methods including master password protection, an optional eight-digit PIN, and a downloadable digital security key for emergency recovery. Each locked site is protected with unique salted hashes, and every action is performed locally so your information never leaves your browser. SparkVault is engineered for privacy-first users who demand total control over what content can be opened at any moment. Once a site is locked, any attempt to visit it instantly redirects to a secure lock screen that requests verification before access is granted. Temporary unlock sessions allow smooth browsing while you need the site, and the lock reactivates the moment all tabs associated with that site are closed. This dynamic session tracking creates a seamless experience while ensuring strong, automatic relocking without reminders or manual steps. SparkVault includes a clean and intuitive dashboard where you can manage your locked sites, adjust permissions, add new protections, edit existing entries, or reset passwords with ease. Each site displays its favicon for quick recognition, status indicators, password hash visibility, and integrated tools for importing or exporting your vault. Even the security key system is designed for transparency and integrity, using verifiable signatures and encrypted payloads that never contain real passwords. Whether you want to secure social media, hide personal dashboards, restrict distractions, or protect sensitive pages like cloud consoles and financial accounts, SparkVault gives you a professional, elegant, and fully offline security layer inside your everyday browser. It turns privacy into a smooth, reliable workflow that stays in your control at all times, without friction and without relying on external services.