Free online network diagnostics and developer tools for engineers and IT professionals
Stage
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Founded
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Based in
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BD
Pricing model
Freemium
Free
Pricing
Free download from Mac App Store with free trial. Pro access available as one-time lifetime purchase.
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.
Key features
Monitor usage, balances, and credits from 14 AI providers
Menu bar app displaying provider information
Provider dashboard
Usage history tracking
Widgets and alerts
Credentials stored in Mac Keychain
Direct HTTPS connection to provider APIs
Local data storage on Mac
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
What makes it different
No data sent to external servers - credentials secured in Mac Keychain
Supports 14 different AI providers in one interface
See limits and history from the macOS menu bar
Simple setup in 3 seconds
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
Code Meter