Free online network diagnostics and developer tools for engineers and IT professionals
Free browser tool to build Claude Code status line configuration
Stage
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Founded
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Based in
BD
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Pricing model
Free
Free
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.
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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
Choose stdin JSON fields from workspace and cost data
Customise separator text between fields
Apply ANSI colour options for output highlighting
Set padding for horizontal character spacing
Configure optional refresh interval for re-running command
Live terminal preview with sample data
Generate settings.json block for Claude Code
Generate ready-to-use Python script
Copy configuration to clipboard
Runs entirely in browser with no network connection
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
Runs completely locally in your browser with no account or data sent over the network
Live preview of your status line output with sample Claude Code data
Copy-ready settings.json and Python script configuration
Access all Claude Code stdin JSON fields and customize display format