// free-toolYAML → JSON
Paste YAML — anchors, aliases and nested structures included — and get pretty-printed JSON, or a precise error message with the line that broke parsing. Doubling as a quick YAML validator, everything runs locally with js-yaml.
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Yes — invalid YAML shows the parser's error with line/column, which is exactly what you need to fix a broken config.
No — parsing happens in-browser. Secrets in your YAML never leave your machine.
Parse CSV (with headers) into clean JSON arrays.
Flatten a JSON array of objects into spreadsheet-ready CSV.
Convert JSON into clean, readable YAML for configs.
Serialize JSON objects into well-formed, indented XML.
Parse XML into JSON, preserving attributes and structure.
Format, minify and validate JSON with precise error locations.
I build fast, privacy-first web applications with Next.js — these converters run entirely in the browser, and yours can too.