Free online network diagnostics and developer tools for engineers and IT professionals
Keep your Mac awake while AI agents work, also with the lid closed
Stage
Not given
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Founded
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Based in
BD
TR
Pricing model
Free
Free trial
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.
Free for 7 days. After trial: $9 once (launch price), full price $14. One payment covers up to 3 Macs. Includes 1 year of updates.
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
Detects 40+ AI coding agents automatically
Keeps Mac awake with lid closed
Pause for 30 minutes, 1 hour, or until tomorrow
Stay reachable for 1, 2, or 4 hours
Display dims as lid closes
Sound notification when lid closes
iPhone hotspot fallback when Wi-Fi drops
Battery level indicator in menu bar
Command-line integration and MCP server support
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
Agent-aware sleep prevention knows when your agents work and only keeps Mac awake during actual work
Closes lid without waking Mac or draining battery
Automatic iPhone hotspot switching when Wi-Fi drops
Agent Caffeine