// free-toolJSON → YAML
Paste JSON and get equivalent YAML with clean two-space indentation and preserved key order — handy when moving data into Kubernetes manifests, CI pipelines or any YAML-first config. Conversion runs locally with js-yaml.
no signup · no watermark · unlimited use
No — js-yaml runs in your browser; your config data stays on your device.
JSON has no comments, so none exist to preserve. The output is plain YAML data ready for you to annotate.
Parse CSV (with headers) into clean JSON arrays.
Flatten a JSON array of objects into spreadsheet-ready CSV.
Parse YAML (with anchors and multi-docs) into formatted JSON.
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.