# Simple Profanity Blocker

> Filters profanity and foul language from web pages in real-time. Privacy-first — all processing stays local.

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

## Overview

- **ID:** `simple-profanity-blocker`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** deepanshu
- **Category:** privacy-security,appearance,social-communication
- **Daily users:** 2
- **Weekly downloads:** 1
- **Version:** 1.1.1
- **Last updated:** 2026-07-05
- **First published:** 2026-06-28
- **Size:** 56 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/simple-profanity-blocker/)
- **Website:** [https://github.com/deepanshu44/simple-profanity-blocker](https://github.com/deepanshu44/simple-profanity-blocker)

## Description

Simple Profanity Blocker is a modern, lightweight Firefox extension designed to clean up your web browsing experience.  Whether you want to make browsing safer for children, avoid hostile online environments, or simply prefer a cleaner web, this extension gives you complete control over the text you see.

<ul><li><strong>Four Filter Modes:</strong> </li><li><em>Blur (Default):</em> Hides bad words with a premium glassmorphic blur. Simply hover your cursor over the word to temporarily reveal it.</li><li><em>Emoji:</em> Replaces foul words with an angry censored emoji (🤬).</li><li><em>Replace:</em> Replaces the letters with asterisks (****).</li><li><em>Remove:</em> Completely deletes the offending words from the page.</li><li><strong>Three Filtering Tiers:</strong> Choose your sensitivity level (Severe, Moderate, or Mild) to match your comfort level.</li><li><strong>Advanced Evasion Protection:</strong> Smart matching catches common tricks used to bypass simple filters, including leetspeak (a*ck), repeated characters (auuuuck), zero-width space tricks, and non-alphabetic separators (a.u.c.k).</li><li><strong>Whitelisting &amp; False-Positive Guard:</strong> Uses an intelligent built-in dictionary to prevent innocent words from being accidentally blocked.</li><li><strong>Custom Control:</strong> Add your own custom words to filter, or remove words you don't mind seeing.</li><li><strong>Dynamic SPA Support:</strong> Automatically scans new content loaded dynamically via infinite scroll, React/Vue frameworks, or AJAX, keeping the page clean without requiring a refresh.</li><li><strong>Per-Site Overrides:</strong> Easily toggle the blocker on or off for specific websites with a single click in the extension popup.</li></ul>

Simple Profanity Blocker is built with a strict <strong>privacy-first architecture</strong>. 
* <strong>100% Local:</strong> All word lists, normalizations, and content-filtering run locally on your device's CPU.
* <strong>No Data Collection:</strong> The extension does not collect, track, or transmit your browsing history, webpage text, or personal information. 
* <strong>No Network Requests:</strong> No analytics tracking, no external API calls, and no remote telemetry.

## Rankings

- #66,103 — Overall
- #38 — gofa

## Permissions and access

### Permissions

- `storage`
- `activeTab`
- `tabs`

### Content script matches

- `<all_urls>`
- ``

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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).

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