Subdomain Finder - Find Hidden Subdomains

by nomanmohammadofficial · guidetolinux.com · Developer Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

The best Subdomain Finder tool for bug bounty hunters and security researchers. Find hidden subdomains quickly and easily.

Users

550

+31 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#41K

#35K among extensions

Version

1.0

updated 13 Feb 2025

Users

monthly, 2 years

Latest, 15 Oct 2026: 550 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years

Latest, 15 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Subdomain Finder - Find Hidden Subdomains

🚀 Subdomain Finder - The Essential Tool for Bug Bounty Hunters Discover hidden subdomains quickly and easily with our powerful Subdomain Finder extension. Perfect for bug bounty hunters, security researchers, and penetration testers. Key Features: ✅ Fast & Efficient Scanning ✅ Clean, Modern Interface ✅ Export Results ✅ Copy Subdomains with One Click ✅ Active Domain Status Check ✅ No API Key Required ✅ Zero Configuration Needed How It Works: 1. Click the extension icon 2. Enter a domain name (or use current tab's domain) 3. Click "Scan" to discover subdomains 4. View, copy, or export results Privacy & Security: • Minimal permissions required • No data collection • Open source • No external dependencies • Secure by design Perfect for: • Bug Bounty Hunters • Security Researchers • Penetration Testers • IT Professionals • Security Enthusiasts Created by Noman Mohammad Learn Bug Bounty at GuideToLinux.com