docs/60-server/50-ngrok.md
---
title: ngrok
description: ngrok is a simplified API-first ingress-as-a-service that adds connectivity, security, and observability to your apps in one line
---
[ngrok](https://ngrok.com/) is a simplified API-first ingress-as-a-service that adds connectivity, security, and observability to your apps in one line.
We use ngrok during local development when we need to temporarily preview the display on a mobile device.
## Installation
1. Sign up at [ngrok.com](https://ngrok.com/).
2. Sign in to [ngrok.com](https://ngrok.com/).
3. Open [Setup & Installation](https://dashboard.ngrok.com/get-started/setup).
4. Refer to the aforementioned page for instructions on how to download, install, and configure the authtoken.
## Fire it up
To start a HTTP tunnel forwarding to your local port 5173, run this next:
```bash
ngrok http 5173
```