> ## 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.

---

# 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/-/e/b/c/7/ebc7136b28883800/25cc72b7-b97b-47fb-8c16-e6ead3_1nsw9br.png)

Then add the extension to your browser.

![Install the Grammarly extension in your browser](https://storage.crisp.chat/users/helpdesk/website/-/c/e/a/0/cea0e2d40383e000/99aeca3e-3053-4adc-a68a-dda1fd_m8v0iv.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/-/9/3/0/e/930ec6aec8eae800/986d41eb-4779-4afa-97e2-1b4924_4ws98t.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/-/e/7/7/f/e77f4a8b6e541800/fc598ac5-4343-4199-9d17-3151ca_dnnxwb.png)

---

# 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/-/c/f/8/7/cf876328c9a7f800/742e115a-7695-4a72-bb31-ba4770_1nwhngq.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/-/b/4/5/0/b450e80638378000/c1c29fb7-ac90-4e98-81cf-55f133_1eqltpx.png)

![Install the MerciApp extension in your browser](https://storage.crisp.chat/users/helpdesk/website/-/2/5/4/4/254431de11db4200/c85b004f-a6c0-4b13-b452-6bb232_8qdahs.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)

---

# 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.