# Virtual Hosts

> Apply virtual hosts and overwrite the Hosts header for development purposes.

Canonical page: [https://chrome-stats.com/d/vhost-simulator](https://chrome-stats.com/d/vhost-simulator)

## Overview

- **ID:** `vhost-simulator`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Longoon
- **Category:** web-development
- **Daily users:** 231
- **Weekly downloads:** 5
- **Rating:** 4.00 / 5 (5 ratings)
- **Version:** 1.0
- **Last updated:** 2020-01-31
- **First published:** 2020-01-31
- **Size:** 12 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/vhost-simulator/)
- **Website:** [https://github.com/Longoon12000/Virtual-Hosts](https://github.com/Longoon12000/Virtual-Hosts)

## Description

Virtual Hosts is a powerful Chrome extension designed for web developers to easily test HTTP virtual hosting setups without modifying system DNS or hosts files. It overrides the Host HTTP header on outgoing requests to a specified virtual host on a remote server, allowing developers to access and test multiple sites hosted on the same IP address.

Unlike traditional methods that require DNS changes or host file edits, Virtual Hosts enables seamless testing by rewriting requests only for configured IP and domain pairs. The extension features an intuitive UI to add and manage virtual hosts, enabling or disabling overrides globally or individually. With source code available on GitHub, it's a transparent and trustworthy tool that streamlines development workflows involving virtual hosts.

## Rankings

- #7,650 — Overall
- #26 — purpose
- #102 — cost
- #161 — development
- #234 — post
- #249 — developer

## Permissions and access

### Permissions

- `webRequest`
- `webRequestBlocking`
- `*://*/`
- `<all_urls>`
- `storage`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [Host File Override Plugin](https://chrome-stats.com/d/host-file-override-plugin) — 2 users
- [LiveHosts](https://chrome-stats.com/d/livehosts) — 908 users, 3.24 / 5
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- [Hosts.click Viewer](https://chrome-stats.com/d/hosts-click-viewer) — 5 users
- [Host Grabber ++](https://chrome-stats.com/d/host-grabber-pp) — 814 users, 3.11 / 5
- [DevProxy Virtual Hosts](https://chrome-stats.com/d/devproxy-virtual-hosts)
- [HTTP Server header Spy](https://chrome-stats.com/d/http-server-header-spy) — 14 users
- [DNS over HTTPS](https://chrome-stats.com/d/dns-over-https) — 181 users, 4.00 / 5
- [Hosts Override - No filehosts](https://chrome-stats.com/d/hosts-override-no-filehosts) — 1 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/vhost-simulator)