Know Your Hotspot Before It Knows You
Detect sketchy or malicious public WiFi hotspots with our browser-based security scanner. No signup, no data storage, complete client-side analysis.
WiFi Security Scanner
Real-time analysis of your current network connection
Ready to Scan
Click the button below to analyze your current WiFi connection for potential security threats.
How It Works
Advanced browser-based security analysis using legally-defensible techniques
Passive Scanning
Analyzes your connection without interfering with other devices or network traffic.
Privacy First
All analysis happens in your browser. Zero data collection, no tracking, no signup required.
Real-Time Results
Get instant risk assessment with detailed explanations and actionable recommendations.
Works Anywhere
Browser-based PWA works on any device - desktop, mobile, tablet. No installation required.
Your Privacy is Our Priority
HotSpotWhiz operates with complete transparency and privacy protection:
- ✅ No data collection or storage
- ✅ No user accounts or sign-ups
- ✅ All analysis happens locally in your browser
- ✅ No tracking or analytics
- ✅ Open source and auditable
- ✅ No scanning of other network devices
100% Client-Side
Your data never leaves your device. All security analysis is performed locally using modern browser APIs.
Frequently Asked Questions
Have questions? We have answers.
What is HotSpotWhiz?
HotSpotWhiz is a free, privacy-first WiFi security scanner that helps you detect potentially malicious public WiFi hotspots. It runs entirely in your browser, so you don't need to install anything, and it doesn't collect any of your data.
How does it work?
HotSpotWhiz uses a series of client-side checks to analyze the network you're connected to. It looks for signs of common attacks like DNS spoofing, captive portals, and TLS interception. It then provides you with a risk score and recommendations to help you stay safe.
Is HotSpotWhiz safe to use?
Yes, HotSpotWhiz is completely safe to use. It's a passive scanner, which means it only analyzes your connection and doesn't interfere with other devices on the network. Plus, it's open source, so you can review the code yourself to see how it works.