> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.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 to add a spell-checker for Crisp messages

__Add a browser spell-checker to the Crisp web app so your team can catch typos and grammar mistakes before sending messages.__

Crisp works well with browser-based writing assistants. If you want extra help while writing replies, the easiest option is to install a spell-checker extension in the browser you use for [**https://app.crisp.chat**.](https://app.crisp.chat.)

| The tools below are third-party extensions. You can use any spell-checker you prefer, as long as it supports your browser and language.

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# Use Grammarly for English

[Grammarly](https://www.grammarly.com/) is a popular option for English writing. Once its browser extension is enabled, it can review the text you type in the Crisp editor.

#### Install the extension

Start from the Grammarly website and pick the browser extension that matches the browser you use for Crisp.

![Open Grammarly and choose the browser extension](https://storage.crisp.chat/users/helpdesk/website/-/d/0/d/5/d0d572c27c50a000/d4985eb5-9db6-47a6-9514-e99d10_7tdicu.png)

Then add the extension to your browser.

![Install the Grammarly extension in your browser](https://storage.crisp.chat/users/helpdesk/website/-/6/0/e/9/60e96239c58f8000/f4a3c451-fd42-4a9f-8508-aa9b4e_1fbvm1i.png)

#### Sign in and enable it in Crisp

Once the extension is installed, create a Grammarly account or sign in to your existing one.

![Create or sign in to your Grammarly account](https://storage.crisp.chat/users/helpdesk/website/-/c/f/9/c/cf9c50b3a20cf800/7f37c936-13c0-46ff-8230-588c77_u4lfzj.png)

After that, Grammarly starts working directly in the Crisp web app while you write messages.

![Grammarly working inside the Crisp editor](https://storage.crisp.chat/users/helpdesk/website/-/a/c/1/c/ac1c420140eaf000/e924f568-a342-4306-9b24-68b5ff_1wdlhcs.png)

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# Use MerciApp for French

[MerciApp](https://www.merci-app.com/) is a strong option for French writing and grammar. It can also work as a browser extension alongside Crisp.

#### Create your account

Start by creating your MerciApp account.

![Create your MerciApp account](https://storage.crisp.chat/users/helpdesk/website/-/8/3/9/e/839e6f93bb12c000/2641dbde-5002-4239-b9a8-638c5f_1h4jqbn.png)

#### Choose and install the extension

Pick the extension that matches your browser, then install it.

![Choose the MerciApp browser extension](https://storage.crisp.chat/users/helpdesk/website/-/c/a/e/0/cae07ac223ed7000/05af29cb-9309-4bdd-8500-5d26fd_1lekzbm.png)

![Install the MerciApp extension in your browser](https://storage.crisp.chat/users/helpdesk/website/-/f/8/2/4/f824f357f7c56800/d3b73271-ec4a-4149-992d-f8b517_1qy7l64.png)

#### Start writing in Crisp

Once the extension is active, it can review the messages you write in the Crisp web app.

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

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# Choose the tool that fits your language

Grammarly and MerciApp are simply two well-known examples. If your team writes in another language, you can use a different browser spell-checker instead.

The main thing to check is that the extension supports your browser and works correctly inside the Crisp editor.