ExtendsClass

Altova XMLSpy is the world's best-selling JSON and XML editor for modeling, editing, transforming, and debugging related technologies. XMLSpy JSON and XML Editor give developers the tools they need to build the most sophisticated applications with its graphical schema designer, code generation, file converters, debuggers, and profilers for working with XSD, XSLT, XQuery, XBRL, SOAP, and more. Developers need a JSON and XML editor that adds value beyond bracket matching and basic validation checking. XMLSpy provides the comprehensive feature set below and includes graphical views, code generators, wizards, and other intelligent JSON and XML editing functionality that help you get the job done faster than ever. XMLSpy abstracts away the complexity of editing XML and related technologies through its intuitive user interface and rich variety of views and options. Whether you prefer to edit XML documents in a text-based or graphical XML viewer, XMLSpy provides intelligent guidance.

HttpStatus is an API testing, monitoring, and developer tools platform built for modern development workflows. With over 700 free browser-based tools, it covers everything developers need — from JSON formatting and JWT decoding to SSL certificate checking, CORS debugging, OpenAPI validation, and uptime monitoring. The platform is organized into specialized hubs: JSON, Regex, Cron, Base64, URL, Hash, UUID, YAML, Timestamp, JWT, HTTP, Security, and more. Each hub contains focused tools that run entirely in the browser — no installs, no signups, no data leaving your device. Beyond individual tools, HttpStatus offers full-featured capabilities for API development teams: mock servers for frontend development, chaos engineering for resilience testing, automation workflows with Postman collection import, webhook capture and inspection, distributed tracing analysis, and multi-region uptime monitoring with alert channels and public status pages.