A multilingual profanity detection and filtering engine for modern applications — by GLINCKER
A multilingual profanity detection and filtering engine for modern applications — by GLINCKER
Glin-Profanity is a high-performance JavaScript/TypeScript library built to detect, filter, and sanitize profane or harmful language in user-generated content. With support for over 20+ languages, configurable severity levels, obfuscation detection, and framework-agnostic design, it's perfect for developers who care about building safe, inclusive platforms.
Whether you're moderating chat messages, community forums, or content input forms, Glin-Profanity empowers you to:
- 🧼 Filter text with real-time or batch processing
- 🗣️ Detect offensive terms in 20+ human languages
- 💬 Catch obfuscated profanity like
sh1t
,f*ck
,a$$hole
- 🎚️ Adjust severity thresholds (
Exact
,Fuzzy
,Merged
) - 🔁 Replace bad words with symbols or emojis
- 🧩 Works in any JavaScript environment -
- 🛡️ Add custom word lists or ignore specific terms
To install Glin-Profanity, use npm:
npm install glin-profanity
OR
yarn add glin-profanity
OR
pnpm add glin-profanity
Glin-Profanity includes comprehensive profanity dictionaries for 23 languages:
🇸🇦 Arabic • 🇨🇳 Chinese • 🇨🇿 Czech • 🇩🇰 Danish • 🇬🇧 English • 🌍 Esperanto • 🇫🇮 Finnish • 🇫🇷 French • 🇩🇪 German • 🇮🇳 Hindi • 🇭🇺 Hungarian • 🇮🇹 Italian • 🇯🇵 Japanese • 🇰🇷 Korean • 🇳🇴 Norwegian • 🇮🇷 Persian • 🇵🇱 Polish • 🇵🇹 Portuguese • 🇷🇺 Russian • 🇪🇸 Spanish • 🇸🇪 Swedish • 🇹🇭 Thai • 🇹🇷 Turkish
Note: The JavaScript and Python packages maintain cross-language parity, ensuring consistent profanity detection across both ecosystems.
Glin-Profanity now provides framework-agnostic core functions alongside React-specific hooks:
const { checkProfanity } = require('glin-profanity');
const text = "This is some bad text with damn words";
const result = checkProfanity(text, {
languages: ['english', 'spanish'],
replaceWith: '***'
});
console.log(result.containsProfanity); // true
console.log(result.profaneWords); // ['damn']
console.log(result.processedText); // "This is some bad text with *** words"
import { checkProfanity, ProfanityCheckerConfig } from 'glin-profanity';
const config: ProfanityCheckerConfig = {
languages: ['english', 'spanish'],
severityLevels: true,
autoReplace: true,
replaceWith: '🤬'
};
const result = checkProfanity("inappropriate text", config);
import React, { useState } from 'react';
import { useProfanityChecker, SeverityLevel } from 'glin-profanity';
const App = () => {
const [text, setText] = useState('');
const { result, checkText } = useProfanityChecker({
languages: ['english', 'spanish'],
severityLevels: true,
autoReplace: true,
replaceWith: '***',
minSeverity: SeverityLevel.EXACT
});
return (
<div>
<input value={text} onChange={(e) => setText(e.target.value)} />
<button onClick={() => checkText(text)}>Scan</button>
{result && result.containsProfanity && (
<p>Cleaned: {result.processedText}</p>
)}
</div>
);
};
<template>
<div>
<input v-model="text" @input="checkContent" />
<p v-if="hasProfanity">{{ cleanedText }}</p>
</div>
</template>
<script setup>
import { ref } from 'vue';
import { checkProfanity } from 'glin-profanity';
const text = ref('');
const hasProfanity = ref(false);
const cleanedText = ref('');
const checkContent = () => {
const result = checkProfanity(text.value, {
languages: ['english'],
autoReplace: true,
replaceWith: '***'
});
hasProfanity.value = result.containsProfanity;
cleanedText.value = result.autoReplaced;
};
</script>
import { Component } from '@angular/core';
import { checkProfanity, ProfanityCheckResult } from 'glin-profanity';
@Component({
selector: 'app-comment',
template: `
<textarea [(ngModel)]="comment" (ngModelChange)="validateComment()"></textarea>
<div *ngIf="profanityResult?.containsProfanity" class="error">
Please remove inappropriate language
</div>
`
})
export class CommentComponent {
comment = '';
profanityResult: ProfanityCheckResult | null = null;
validateComment() {
this.profanityResult = checkProfanity(this.comment, {
languages: ['english', 'spanish'],
severityLevels: true
});
}
}
const express = require('express');
const { checkProfanity } = require('glin-profanity');
const profanityMiddleware = (req, res, next) => {
const result = checkProfanity(req.body.message || '', {
languages: ['english'],
autoReplace: true,
replaceWith: '[censored]'
});
if (result.containsProfanity) {
req.body.message = result.autoReplaced;
}
next();
};
app.post('/comment', profanityMiddleware, (req, res) => {
// Message is now sanitized
res.json({ message: req.body.message });
});
Framework-agnostic function for profanity detection.
checkProfanity(text: string, config?: ProfanityCheckerConfig): ProfanityCheckResult
Async version of checkProfanity.
checkProfanityAsync(text: string, config?: ProfanityCheckerConfig): Promise<ProfanityCheckResult>
Quick check if a single word is profane.
isWordProfane(word: string, config?: ProfanityCheckerConfig): boolean
new Filter(config?: FilterConfig);
Option | Type | Description |
---|---|---|
languages |
Language[] |
Languages to include (e.g., ['english', 'spanish']) |
allLanguages |
boolean |
If true, scan all available languages |
caseSensitive |
boolean |
Match case exactly |
wordBoundaries |
boolean |
Only match full words (turn off for substring matching) |
customWords |
string[] |
Add your own words |
replaceWith |
string |
Replace matched words with this string |
severityLevels |
boolean |
Enable severity mapping (Exact, Fuzzy, Merged) |
ignoreWords |
string[] |
Words to skip even if found |
logProfanity |
boolean |
Log results via console |
allowObfuscatedMatch |
boolean |
Enable fuzzy pattern matching like f*ck
|
fuzzyToleranceLevel |
number (0–1) |
Adjust how tolerant fuzzy matching is |
autoReplace |
boolean |
Whether to auto-replace flagged words |
minSeverity |
SeverityLevel |
Minimum severity to include in final list |
customActions |
(result) => void |
Custom logging/callback support |
Checks if a given text contains profanities.
isProfane(value: string): boolean;
-
value
: The text to check. - Returns:
boolean
-true
if the text contains profanities,false
otherwise.
Returns details about profanities found in the text.
checkProfanity(text: string): CheckProfanityResult;
-
text
: The text to check. - Returns:
CheckProfanityResult
-
containsProfanity
:boolean
-true
if the text contains profanities,false
otherwise. -
profaneWords
:string[]
- An array of profane words found in the text. -
processedText
:string
- The text with profane words replaced (ifreplaceWith
is specified). -
severityMap
:{ [word: string]: number }
- A map of profane words to their severity levels (ifseverityLevels
is specified).
-
A custom React hook for using the profanity checker.
-
config
: An optional configuration object (same as ProfanityCheckerConfig).
-
result
: The result of the profanity check. -
checkText
: A function to check a given text for profanities. -
checkTextAsync
: A function to check a given text for profanities asynchronously. -
reset
: A function to reset the result state. -
isDirty
: Boolean indicating if profanity was found. -
isWordProfane
: Function to check if a single word is profane.
const { result, checkText, checkTextAsync, reset, isDirty, isWordProfane } = useProfanityChecker(config);
- 🔐 Chat moderation in messaging apps
- 🧼 Comment sanitization for blogs or forums
- 🕹️ Game lobbies & multiplayer chats
- 🤖 AI content filters before processing input
This software is also available under the GLINCKER LLC proprietary license. The proprietary license allows for use, modification, and distribution of the software with certain restrictions and conditions as set forth by GLINCKER LLC.
You are free to use this software for reference and educational purposes. However, any commercial use, distribution, or modification outside the terms of the MIT License requires explicit permission from GLINCKER LLC.
By using the software in any form, you agree to adhere to the terms of both the MIT License and the GLINCKER LLC proprietary license, where applicable. If there is any conflict between the terms of the MIT License and the GLINCKER LLC proprietary license, the terms of the GLINCKER LLC proprietary license shall prevail.
GLIN PROFANITY is MIT licensed.