// free-toolJSON → YAML
JSON to 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
Frequently asked questions
Is anything sent to a server?
No — js-yaml runs in your browser; your config data stays on your device.
Are comments added or preserved?
JSON has no comments, so none exist to preserve. The output is plain YAML data ready for you to annotate.
More data tools
CSV to JSON
Parse CSV (with headers) into clean JSON arrays.
JSON to CSV
Flatten a JSON array of objects into spreadsheet-ready CSV.
YAML to JSON
Parse YAML (with anchors and multi-docs) into formatted JSON.
JSON to XML
Serialize JSON objects into well-formed, indented XML.
XML to JSON
Parse XML into JSON, preserving attributes and structure.
JSON Formatter
Format, minify and validate JSON with precise error locations.
Need custom tools like this in your product?
I build fast, privacy-first web applications with Next.js — these converters run entirely in the browser, and yours can too.