Free online network diagnostics and developer tools for engineers and IT professionals
Open-source toolkit for building, simulating, and deploying business process diagrams with code and AI
Stage
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Founded
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Based in
BD
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Pricing model
Free
Open source
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, MIT-licensed
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
Fluent TypeScript API for BPMN authoring
Automatic layout with Sugiyama engine
Type-safe element guards
Roundtrip fidelity preserving extensions
Zero third-party dependencies
DMN decision table builder
Camunda form generation
In-process BPMN simulator
LLM-friendly compact format
Camunda 8 REST client with 180 methods
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
Write BPMN diagrams as code with 13 lines of TypeScript instead of 41 lines of XML
Works across browsers, Node, Deno, Bun and edge runtimes with no dependencies
Direct Camunda 8 deployment with OpenAPI connector generation
AI-friendly format for LLM-driven diagram generation
BPMN Kit