Sentry Shield

About

Block distracting websites with scheduling, time limits, password protection, and a fully customizable blocked page — all in one fast, powerful, customizable and easy-to-use extension.

Here's what's inside:

🚫 BLOCKING MODES
Blacklist Mode — block specific sites while everything else stays accessible
Whitelist Mode — allow only the sites you choose, block everything else
Save and switch between multiple named presets (Work, Study, Weekend...)
Basic, Exact, and Wildcard matching for precise control over subdomains and paths
⏱️ TIME LIMITS
Multi-Site Access — set a daily time limit for each site individually
All-Site Access — one timed window of access across every blocked site at once
Pause and resume your timer anytime, no lost time
Automatic resets on your schedule — daily, weekly, or monthly
🗓️ SCHEDULED BLOCKING
Custom weekly schedules — block or allow sites automatically by day and time
Invert mode — allow sites only during set hours, block everything outside them
Hide unblocking controls during scheduled blocking for stricter enforcement
🔐 SECURITY
Password-lock your dashboard so settings can't be changed without it
Separate override password to temporarily unlock blocked sites
Security question recovery if you forget your password
🎨 PERSONALIZATION
Custom message on your blocked page
Motivational quotes to keep your mindset sharp
Live countdown timer right on the blocked page
Light, dark, and system theme support everywhere in the extension
💾 BACKUP & RESTORE
Export your full configuration to a backup file
Restore instantly on the same device or a new one
Export or import individual sections on their own
🔒 PRIVACY
Everything is stored locally on your device.
No browsing data is collected, tracked, or sent anywhere.
Whether you're staying off social media during work hours, cutting back on doomscrolling, or building better focus habits over time — Sentry Shield gives you the tools to make it stick, without getting in your way when you don't need it.