YAML to JSON Converter
Convert YAML to JSON online — block style, lists of maps, inline flow [a, b] and {k: v}, comments stripped. Free and 100% in-browser.
Input · yaml0 chars
Output · json0 chars
🔒 100% private: this tool runs entirely in your browser. Your data is never uploaded, stored or logged anywhere.
How to yaml → json
- Paste your YAML (block style, lists of maps, or inline flow style).
- JSON appears instantly with types inferred (numbers, booleans, null).
- Copy or download the .json file.
FAQ
Which YAML features are supported?
Block mappings and sequences, lists of maps, inline comments, quoted strings, flow style ([a, b], {k: v}) and anchors-free documents. Multi-document (---) files take the first document.
Are comments removed?
Yes — full-line and inline comments are stripped automatically.
Is my YAML sent anywhere?
No. Parsing happens entirely in your browser.