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YAML tools

Convert YAML to JSON, CSV, XML, TOML or properties, reformat and validate it — every YAML tool runs 100% in your browser, nothing is uploaded.

Data format converters

JSON to YAML Converter — Free Online Tool Convert JSON to clean YAML instantly in your browser. Free, private and offline-friendly: your data never leaves your device.
YAML to JSON Converter — Free Online Tool Convert YAML to clean, indented JSON instantly in your browser. Free, private and offline-friendly: your data never leaves your device.
CSV to YAML Converter — Free Online Tool Convert CSV with headers to a YAML sequence instantly in your browser. Free, private and offline-friendly: your data never leaves your device.
YAML to CSV Converter — Free Online Tool Convert a YAML sequence of objects to CSV instantly in your browser. Free, private and offline-friendly: your data never leaves your device.
YAML to TOML Converter — Free Online Tool Convert YAML to TOML instantly in your browser. Free, private and offline-friendly: your data never leaves your device.
TOML to YAML Converter — Free Online Tool Convert TOML to YAML instantly in your browser. Free, private and offline-friendly: your data never leaves your device.
XML to YAML Converter — Free Online Tool Convert XML documents to clean YAML instantly in your browser. Free, private and offline-friendly: your data never leaves your device.
YAML to XML Converter — Free Online Tool Convert YAML mappings to well-formed XML instantly in your browser. Free, private and offline-friendly: your data never leaves your device.
Properties to YAML Converter — Free Online Tool Convert Java .properties files to nested YAML instantly in your browser. Free, private and offline-friendly: your data never leaves your device.
YAML to Properties Converter — Free Online Tool Flatten YAML mappings into Java .properties keys instantly in your browser. Free and private: your data never leaves your device.

Formatters, validators & diff