Domain Info at Your Fingertips
See complete domain information instantly while browsing. No need to leave your current tab or open new windows.
Also works with Brave, Edge, and other Chromium browsers
Why You'll Love Our Extension
One-Click Lookup
Click any domain on any webpage to instantly see its WHOIS data
Always Visible
Domain info appears in a convenient popup without leaving the page
Lightning Fast
Instant results using our optimized RDAP-first lookup system
Privacy Focused
No tracking, no data collection - your browsing stays private
How It Works
Install Extension
Add the extension to Chrome with one click. No sign-up or configuration needed.
Browse Normally
The extension works silently in the background, detecting domains as you browse.
Click Any Domain
Click the extension icon or any highlighted domain to see instant WHOIS data.
Powerful Features for Professionals
Smart Domain Detection
Automatically detects domains on any webpage and makes them clickable
Comprehensive Data
View registrant info, expiration dates, nameservers, and complete WHOIS records
History Tracking
Keep track of all domains you've looked up with local storage
Export Options
Export domain data as JSON or copy to clipboard with one click
Perfect For
Domain Investors
Quickly research domains while browsing marketplaces, forums, or competitor sites.
- Check expiration dates instantly
- Verify ownership before purchasing
- Track competitor portfolios
Digital Marketers
Research competitor domains and identify opportunities while doing market research.
- Analyze competitor domains
- Find contact information
- Identify domain patterns
Web Developers
Debug DNS issues and verify domain configurations without leaving your browser.
- Check nameserver settings
- Verify domain ownership
- Debug DNS propagation
Your Privacy Matters
Our extension doesn't track your browsing, collect personal data, or require any permissions beyond what's needed to show domain information. All lookups use our privacy-focused RDAP service.
Read our Privacy Policy →Ready to Supercharge Your Browsing?
Join thousands of professionals who save time with instant domain lookups right in their browser.