# FocusShield - Website Blocker

> An ultra-lightweight, password-protected website blocker built with Manifest V3 to eliminate distractions and boost productivity.

Canonical page: [https://chrome-stats.com/d/focusshield-website-blocker](https://chrome-stats.com/d/focusshield-website-blocker)

## Overview

- **ID:** `focusshield-website-blocker`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** OmorDev
- **Category:** privacy-security
- **Version:** 1.0.0
- **Last updated:** 2026-07-31
- **First published:** 2026-07-28
- **Size:** 16 KB
- **Data as of:** 2026-09-14
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/focusshield-website-blocker/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/focusshield-website-blocker/privacy/](https://addons.mozilla.org/firefox/addon/focusshield-website-blocker/privacy/)

## Description

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.

## Rankings

- #143,066 — Overall
- #221 — password-protected

## Permissions and access

### Permissions

- `storage`
- `declarativeNetRequest`
- `activeTab`

### Host permissions

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

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- [Focus Shield](https://chrome-stats.com/d/focusshield)
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- [Blockodile: Easy Blocking and Scheduling](https://chrome-stats.com/d/siteblocker-2) — 84 users
- [FocusGuard: Productivity Shield](https://chrome-stats.com/d/focusguard-productivity-shield)
- [FocusFlow](https://chrome-stats.com/d/focusflow-thevideofelix)
- [focuscape Website Blocker](https://chrome-stats.com/d/focuscape-website-blocker) — 5 users, 5.00 / 5
- [DigitalZen – Smart Focus & Website Blocker](https://chrome-stats.com/d/digitalzen) — 551 users, 4.82 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/focusshield-website-blocker)