JSON Purrser is a free JSON toolkit built for developers who work with APIs, configs, and data files daily. It includes a plethora of features such as smart field detection (URLs, dates, colors, JWTs, coordinates), one-click export to TypeScript, Python, Go and more, interactive tree view with search and navigation, JSON diff comparison, chart visualization, schema validation and multiple themes for all possible tastes. No signup. No data sent to servers. Works entirely in your browser.