---
url: https://talkjs.com/free-tools/
title: "Free tools for chat developers | TalkJS"
---

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# Free tools for building chat

Some parts of chat are harder than they look, like deciding which words to mask. We make small tools for those parts, and they're free.

[

Profanity word list and filter tester

333 English words and phrases. Paste a message to see what gets masked, then copy or download the list.











](https://talkjs.com/free-tools/profanity-word-list/)

Building with TalkJS? Add these words to the forbidden word list that comes with every plan, and TalkJS masks them in your users' messages. See the rest of our [moderation tools](https://talkjs.com/features/moderation-analytics/).