> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://staging.chrisp.chat/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How do I add a spell-checker for Crisp messages?

**When you communicate with your customers, you may want to be sure your messages are corrected before sending them.**

A spell-checker will prevent you to send non-sense sentences, or simply spelling mistakes, grammar inaccuracies, etc.

# Grammarly

[Grammarly](https://www.grammarly.com/), is one of the most famous spell-checker on the market for **English** language. If you want to add the add-on to Crisp you need to:

1. Go to Grammarly and click on the button to be redirected to the right marketplace (in this example Google Chrome Web Store)

![](https://storage.crisp.chat/users/helpdesk/website/-/8/3/6/a/836ac895d050e00/6f55a2fe-8291-4317-8ea8-8183f3_vhdjcm.png)

2. Add the extension

![](https://storage.crisp.chat/users/helpdesk/website/-/d/3/1/3/d313b02ac672c800/0277682c-9218-4e9b-b43a-2abaca_1tuurzd.png)

3. Create an account on Grammarly

![](https://storage.crisp.chat/users/helpdesk/website/-/3/e/7/c/3e7cc1057da97800/60e936d9-5229-4b98-88ab-1d5046_8mmulv.png)

4. Grammarly is now live on the Crisp web app!

![](https://storage.crisp.chat/users/helpdesk/website/-/d/a/6/5/da65cd45e1d2e000/a60223d8-ef6c-442d-b1c6-757de1_1fbaf0c.png)

# MerciApp

[MerciApp](https://www.merci-app.com/) is a powerful spell-checker for **French** language. Here is how to enable it on your browser (example with Chrome Browser)

1. Create an account on MerciApp

![](https://storage.crisp.chat/users/helpdesk/website/-/a/4/6/5/a465f59fbdacd000/4a9b7ede-2c16-4999-bf0d-ac046a_1gd5rih.png)

2. Choose the extension you need

![](https://storage.crisp.chat/users/helpdesk/website/-/a/0/d/f/a0df72a605f4e800/aa4e7dd0-4088-458f-ae5a-cd6040_wi54p5.png)

3. Add the extension to your browser

![](https://storage.crisp.chat/users/helpdesk/website/-/7/a/1/b/7a1b9db071f69000/81c01f35-8428-4099-8e24-82e91b_d8usb3.png)

4. MerciApp is now installed on the Crisp web app!

![](https://storage.crisp.chat/users/helpdesk/website/87ae2703583ac800/cleanshot-2025-02-26-at-123007_1z0z8y5.png)

We hope this will help you communicate with your customers using Crisp. Let us know if you have a powerful spell checker for your own language, we will list it there!