# Subdomain Finder

> Enumerates subdomains, directories, shows website IP, and checks for robots.txt

Canonical page: [https://chrome-stats.com/d/subdomain-finder](https://chrome-stats.com/d/subdomain-finder)

## Overview

- **ID:** `subdomain-finder`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Sumalya Chatterjee
- **Category:** web-development,privacy-security,tabs
- **Daily users:** 111
- **Weekly downloads:** 3
- **Rating:** 3.00 / 5 (2 ratings)
- **Version:** 2.0.1
- **Last updated:** 2025-03-08
- **First published:** 2025-02-25
- **Size:** 38 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/subdomain-finder/)

## Description

Unleash the Power of Discovery with Subdomain Finder!

Dive deep into the web's hidden layers with Subdomain Finder, the ultimate tool for developers, security enthusiasts, and curious minds. This sleek, feature-packed Firefox extension lets you uncover subdomains, scan directories, check for robots.txt, and fetch IP addresses—all in one place.

🔍 Key Features:

<code>Subdomain Enumeration: Discover hidden subdomains with multiple detection methods, including DNS lookups, SSL certificate analysis, and more.

Directory Scanning: Find exposed directories and endpoints with a powerful directory scanner.

Robots.txt Checker: Instantly check for and analyze robots.txt files to understand website crawling rules.

IP Lookup: Quickly retrieve the IP address of any domain.

History &amp; Cache: Save and revisit your findings with a built-in history feature.

Sleek Glassmorphism UI: Enjoy a modern, dark-themed interface with smooth animations and intuitive controls.
</code>

Whether you're a penetration tester, web developer, or just exploring the web's architecture, Subdomain Finder is your go-to tool for uncovering the hidden gems of any website.

Install now and start exploring the web like never before! 🌐

## Rankings

- #11,075 — Overall
- #27 — finder
- #54 — domain
- #159 — ip
- #211 — lookup

## Permissions and access

### Permissions

- `activeTab`
- `storage`
- `tabs`

### Host permissions

- `<all_urls>`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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).

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