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Description
Lock sensitive domains with a Master PIN and park open tabs to free RAM. Protect your sensitive tabs from prying eyes and speed up your browser by freeing memory. TabSentry combines zero-flash domain locking with instant tab parking. Whether you are managing sensitive work in an open-plan office, protecting your webmail, or drowning in 50+ memory-heavy tabs, TabSentry keeps your workflow secure and your system fast. 🛡️ Why Choose TabSentry? Most tab lockers suffer from two major flaws: they leak page content for a split-second while loading, and navigating within modern Single-Page Applications (like Gmail, Outlook, or Notion) triggers annoying lock loops. TabSentry solves this at the root: Zero-Flash Technology: Injects instant DOM protection before the page parses. No visual leaks, even for a millisecond. SPA-Ready: Locks at the domain origin so internal navigation and inbox browsing never cause false re-locks. RAM Reclaim: Park open tabs into a private, searchable vault and immediately slash Chrome's memory footprint. ⚡ Key Features 🔒 Secure Domain Locking Set a single local Master PIN (hashed with SHA-256 via Web Crypto API). Instant auto-lock the moment you switch tabs or lose window focus. Persistent security: locks survive browser restarts, crashes, and restored sessions. 💤 RAM-Saving Tab Parking Park individual tabs or collapse an entire window in one click. Search your parked vault in real time to instantly restore what you need. Native right-click context menu integration for speed. 💎 Flexible Plans Free Forever: Up to 2 locked domains with Master PIN security. Unlimited manual tab parking & memory freeing. Real-time parked tab search & restore. Zero-flash DOM suppression & auto-lock on switch. TabSentry Pro (£1.49/month or £7.99 Lifetime): Unlimited Locked Domains: Secure every dashboard, CRM, and portal you manage. Granular Wildcard Path Rules: Lock specific paths (e.g. [stripe.com/dashboard/billing/](https://stripe.com/dashboard/billing/)* or [github.com/*/settings](https://github.com/*/settings)) while leaving the main site open. Inactivity Idle Timer: Auto-relock protected tabs if you step away from your desk. Global Panic Hotkey (Alt + Shift + K): Instantly hide active tabs and lock everything in 1 millisecond. Encrypted Cloud Sync: Keep your vault aligned across devices using AES-GCM 256-bit client-side encryption. Decoy PIN Mode: Set a decoy PIN that silently redirects to a blank workspace. 🔒 Privacy by Design TabSentry operates locally in your browser. Zero external tracking or analytics. No telemetry, no ads, and no selling of browsing habits. Your Master PIN never leaves your device. Single Purpose & Permission Justification (For Chrome Review) When submitting the extension in the Chrome Developer Dashboard, paste these exact justifications to avoid review delays: Single Purpose Description: TabSentry provides browser privacy and memory optimization by locking designated domains behind a master PIN and parking idle tabs into local storage to free system RAM. Permission Justifications: storage: Required to persistently save the user's hashed Master PIN, list of locked domains, and metadata for parked tabs locally on their device. tabs: Required to detect the active tab's URL for lock validation, create/close tabs during parking and restoration, and monitor active tab switches for auto-locking. contextMenus: Required to provide convenient right-click context menu actions ("Park this tab" and "Lock this domain"). scripting: Required to inject the zero-flash anti-leak stylesheet and PIN lock overlay into user-selected domains. <all_urls> (Host Permission): Required so the user can dynamically choose to lock or park any website domain without pre-defined domain limits.