ffprofanity

Name: ffprofanity
Author: lggcs

Mute profanity and display censored subtitles while watching videos. All processing is done locally to protect your privacy.

Overview

Firefox Add-ons Store

Daily users

Data as of 2026-08-19

Version:

1.3.0

Last updated: 2026-08-17

Features & Capabilities

Profanity Filter mutes video audio and displays censored subtitles whenever profanity is detected during playback. You can upload SRT, ASS, or WebVTT subtitle files, or rely on automatic subtitle detection on supported sites like YouTube and Jellyfin.

A high‑precision subtitle overlay renders at the video’s frame rate and offers full customization—font size, color, opacity, and on‑screen position. You can adjust timing with an offset slider or keyboard shortcuts, preview upcoming cues, and enable a profanity‑only mode to hide clean lines. All processing happens locally in your browser, ensuring no data ever leaves your device.

Profanity detection uses exact matching, regex‑based obfuscation patterns, and fuzzy Levenshtein matching with adjustable sensitivity. Censored words can appear as “[CENSORED]” or be replaced with playful alternatives such as “Silly,” “Polite,” “Random,” a monkey emoji, or your own custom mappings.

User Growth & Download Statistics

Add-on

By:

lggcs

Daily users:

Version:

1.3.0 Last updated: 2026-08-17

Version code:

6421125

Creation date:

2026-04-09

Risk:

Permissions:

Host permissions:

<all_urls>

Content scripts matches:

<all_urls>

Size:

146.39KB

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-08-19

Compare stats and ranking:

Ranking

# 37,606 ▼ 53

Other rankings

#14 in gofa keyword 1

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

lggcs

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/ffprofanity/

Website:

https://github.com/lggcs/ffprofanity

Is ffprofanity Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

ffprofanity requires a lot of sensitive permissions. Exercise caution before installing.

Risk impact analysis details

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

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

ffprofanity may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.

Risk likelihood analysis details

High This extension was recently updated in the past month. New updates may not be stable or safe.
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