Free browser tools to view, compare, validate, escape and unescape JSON
JSONViewerTool gives developers, QA engineers and API testers free browser-based tools for inspecting and transforming JSON. It includes a JSON viewer and formatter, structural JSON comparison, validation, minification, escape and unescape utilities, plus converters for common data formats. Core workflows run client-side and require no account, which makes it useful for checking API payloads and comparing response changes without installing software. Submitted by the JSONViewerTool maker.
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