# Advanced Profanity Filter

> Advanced Profanity Filter helps to clean up bad language on the websites you and your family visit.

Canonical page: [https://chrome-stats.com/d/advanced\_profanity\_filter](https://chrome-stats.com/d/advanced_profanity_filter)

## Overview

- **ID:** `advanced_profanity_filter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** FrostCo
- **Category:** feeds-news-blogging,social-communication
- **Daily users:** 1,559
- **Weekly downloads:** 37
- **Rating:** 4.67 / 5 (66 ratings)
- **Version:** 4.5.0
- **Last updated:** 2026-04-25
- **First published:** 2017-09-05
- **Size:** 703 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/advanced_profanity_filter/)
- **Website:** [https://github.com/richardfrost/AdvancedProfanityFilter/wiki](https://github.com/richardfrost/AdvancedProfanityFilter/wiki)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/advanced\_profanity\_filter/privacy/](https://addons.mozilla.org/firefox/addon/advanced_profanity_filter/privacy/)

## Description

Advanced Profanity Filter is a powerful Chrome extension designed to cleanse bad language from websites you and your family visit. It offers flexible filter modes including censoring, substituting, and removing offensive words, ensuring a safe browsing experience. Users can customize word and substitution lists to tailor the filtering process to their preferences.

The extension works seamlessly on popular platforms such as Facebook, Pinterest, Reddit, and Twitter. Beyond text filtering, it also supports audio muting on video services like Amazon Video, Hulu, Netflix, Plex, Vudu, and YouTube, enhancing the overall content safety. Advanced users can even add their own supported sites for audio muting. For more details and setup options, visit the Getting Started page in the GitHub wiki.

## Rankings

- #2,567 — Overall
- #147 — Feeds, News & Blogging
- #303 — Social & Communication
- #4 — gofa
- #23 — hulu
- #53 — profile

## Permissions and access

### Permissions

- `contextMenus`
- `notifications`
- `scripting`
- `storage`
- `tabs`

### Host permissions

- `https://*.crunchyroll.com/`

### Content script matches

- `<all_urls>`

## Safety

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

## Review summary

Users generally praise Advanced Profanity Filter for its effective censorship and strong customization options, including per-word replacements and the ability to extend the filter list. It is described as seamless and helpful for reading subtitles or articles when audio is muted. Repeated concerns focus on stability and performance, with reports of browser-related disabling and slower page performance on some sites. A common request is to add a highlight mode or per-word highlighting as an alternative to full censorship.

### Pros

- Effective profanity filtering that works well across streaming, articles, and other content.
- Highly customizable: add words, modify lists, and use replacements.
- Replacement feature is reliable and useful for quick censorship.
- Seamless integration and generally smooth user experience.

### Cons

- Occasional compatibility issues: the extension can be disabled by the browser or fail to load on some Firefox versions.
- Performance impact: slows down pages and causes lag on sites like YouTube.

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