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

Articles on: [Crisp Inbox](/en/category/crisp-inbox-15ctwet/)

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](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:  
  
*   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/e235cdb7b8e5c800/3c823d75-519c-413f-8cd7-46286c_1me9lmv.png)  
  
*   Add the extension
  
  
![](https://storage.crisp.chat/users/helpdesk/website/8a96a96da74b8000/eb418bb6-3ebc-430c-930e-7a97d6_9yj4t8.png)  
  
*   Create an account on Grammarly
  
  
![](https://storage.crisp.chat/users/helpdesk/website/f83a60201c8ed000/0faa2de3-f8f9-41a0-910e-d1034b_1ldyy1p.png)  
  
*   Grammarly is now live on the Crisp web app!
  
  
![](https://storage.crisp.chat/users/helpdesk/website/56c7a54803ece400/4c8cdc4d-0969-4062-a3f4-933f9c_17hzion.png)  
  
  
  
[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)  
  
*   Create an account on MerciApp
  
  
![](https://storage.crisp.chat/users/helpdesk/website/2ce9f02aae2b7200/b4b4f4c6-07eb-453b-bd88-9d0663_121qmsc.png)  
  
*   Choose the extension you need
  
  
![](https://storage.crisp.chat/users/helpdesk/website/be4f1c21bfc60800/191bb8c7-d1a4-46f8-b536-ef2998_1nzfzzu.png)  
  
*   Add the extension to your browser
  
  
![](https://storage.crisp.chat/users/helpdesk/website/b7106da60f18a000/3b159655-a055-4e18-8b05-277113_11y1ugl.png)  
  
*   MerciApp is now installed on the Crisp web app!
  
  
![](https://storage.crisp.chat/users/helpdesk/website/87ae2703583ac800/capture-decran-2021-03-02-a-12_1hfrw4m.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!

Updated on: 11/03/2024