Free online network diagnostics and developer tools for engineers and IT professionals
Know what's running on your Mac
Stage
Not given
Not given
Founded
Not given
Not given
Based in
BD
DE
Pricing model
Free
Paid
Pricing
Web Utility Suite: Free forever with complete access to all web-based diagnostic tools via browser, unlimited queries, no registration required. Programmatic API: Coming Soon.
$14.99 one-time license for up to 2 Macs, includes 7-day free trial
Key features
IP Lookup with geolocation, ISP, and ASN detection
DNS Lookup and query of multiple record types (A, AAAA, MX, CNAME, TXT, NS, SOA, CAA, PTR)
Subnet Calculator for IPv4 CIDR blocks and network calculations
Port Checker for TCP port connectivity testing
SSL Certificate Checker with expiration and TLS protocol verification
WHOIS Lookup for domain registration details
JSON Formatter and Validator with tree view and syntax error detection
Base64 Encoder and Decoder with file and image support
cURL to Code Converter supporting 7 programming languages
UUID v4 and UUID v7 generator with RFC 9562 compliance
Port-first detection grouped by project
Docker containers grouped by project
Open in browser with one click
Restart or kill servers without Terminal
Live CPU and memory monitoring
Menu bar and Notification Center integration
Global keyboard shortcuts
Port collision highlighting
No telemetry or tracking
What makes it different
100% free with no account, email, or payment required
Native Node.js execution for sub-second response times without queue delays
Privacy-focused with zero query logging and strict SSRF security filters
28 tools in one place covering both network diagnostics and developer utilities
All tools run in browser with no software installation or configuration required
Native Swift macOS app, not Electron
Shows all dev servers including Docker and local AI in one list
Rungeist