> ## Documentation Index
> Fetch the complete documentation index at: https://ngrok.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Using ngrok with Visual Studio / IIS Express

> Learn how to use the ngrok Visual Studio extension to add ngrok support directly into your Visual Studio development workflow.

This guide explains how to add ngrok support to your Visual Studio workflow using a Visual Studio extension.
It covers installing the extension and connecting it to your ngrok account.

## What you'll need

* Visual Studio installed.
* An [ngrok account](https://ngrok.com/signup).
* Your [ngrok authtoken](https://dashboard.ngrok.com/get-started/your-authtoken).

## 1. Install the Visual Studio extension

Install the [ngrok extension for Visual Studio](https://marketplace.visualstudio.com/items?itemName=DavidProthero.NgrokExtensions).

## 2. Configure the extension

Open Visual Studio and configure the extension with your ngrok authtoken.
Follow the extension's documentation for the exact configuration fields and workflow.

## 3. Start an ngrok tunnel from Visual Studio

Start a tunnel using the extension.
Use the generated URL to reach your local app through ngrok.