| What it does | Free online network diagnostics and developer tools for engineers and IT professionals
| Open-source API mock server for multiple protocols
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| Stage | Not given
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| Founded | Not given
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| Based in | BD
| US
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| Pricing model | Free
| Freemium
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| 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: $0/month with 10,000 requests/month and local mocks only. Pro: $29/month with 250,000 requests/month, 100,000 platform AI tokens/month, and 3 hosted mocks. Team: $99/month with 1,000,000 requests/month, 1,000,000 platform AI tokens/month, and unlimited hosted mocks. Annual plans include 2 mont
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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
| - Multi-protocol support (REST, gRPC, GraphQL, WebSocket, Kafka, MQTT and more)
- Realistic data synthesis with template tokens and faker fields
- Latency and fault injection for testing retries and fallbacks
- Record and replay for capturing and replaying live traffic
- Modern admin UI for managing servers, overrides and metrics
- Configuration as code with OpenAPI specs and YAML
- Local-first development without account requirement
- CI integration with local endpoints
- HTTP bridge exposing gRPC services over REST
- BYOK AI integration with user provider keys
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| 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
| - Multi-protocol mocking from one configuration file
- Realism-first simulation with data synthesis and failure injection
- Open source with permissive MIT or Apache-2.0 licensing
- Local-first approach with optional cloud collaboration
- Deploy to cloud hosting with a single command
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 3 ● no change since last check | 9 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 20 | 17 |
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| Referring domains (Majestic) | 4 | 7 |
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