FocusShield - Website Blocker 作者： OmorDev

FocusShield is a modern, high-performance, ultra-lightweight website blocker specifically optimized for Mozilla Firefox using Manifest V3.

Key Features:
- Fast Network-Level Blocking: Powered by Firefox declarativeNetRequest API for minimal RAM usage.
- Password/PIN Protection: Prevent unauthorized users from disabling rules or removing blocked sites.
- Smart Domain Normalization: Automatically strips protocols (http/https) and handles subdomains cleanly.
- Data Backup & Sync: Simple JSON Export and Import feature for custom blocklists.
- Master Toggle & Search: Turn blocking ON/OFF instantly and easily search through large lists.
- Built-in Custom Blocked Screen: Sleek, non-intrusive page displayed when a site is restricted.

Privacy Guaranteed: FocusShield operates completely offline, collects zero user data, and stores all configuration locally.