Data toolkit online

JSON / XML Tools

11 independent formatters and converters — each with its own API.

JSON

JSON FormatterPretty-print JSON with indent, key sorting, and trailing-comma repair hints.JSON ValidatorValidate JSON with precise line/column diagnostics and structure stats.JSON MinifierMinify JSON and report bytes saved.

Convert

JSON to XMLConvert JSON objects/arrays into well-formed XML.XML to JSONConvert XML documents into JSON with attribute preservation.

XML

XML FormatterPretty-print XML with configurable indentation.XML ValidatorValidate XML well-formedness and report root/element counts.

YAML / CSV

YAML to JSONConvert YAML (including multi-doc) into JSON.JSON to YAMLConvert JSON into clean YAML.CSV to JSONConvert CSV tables into JSON arrays of objects.JSON to CSVConvert JSON arrays of objects into CSV.