YAML to JSON Converter
Convert YAML configuration files into structured JSON documents (or JSON to YAML) instantly.
Batch workspace
Format multiple files locally in one run.
How to use the YAML to JSON
Paste code or file
Paste your raw YAML text or upload directly.
Configure options
Choose indentation, dialect, or formatting preferences.
Format & export
Click format, then copy, download, or inspect in tree view.
What is a YAML to JSON?
Convert YAML configuration files into structured JSON documents (or JSON to YAML) instantly. This tool re-indents and organizes code according to standard style conventions while checking for syntax validity. Everything executes 100% inside your browser, guaranteeing zero latency and complete privacy for API keys, user tokens, and confidential database schemas.
Options Explained
| Option | Description |
|---|---|
| Conversion Mode | Select whether to convert from YAML to JSON or reverse JSON to clean YAML. |
| Indent size | Indentation spaces for output (0 for minified JSON). |
Frequently Asked Questions
Does this tool support Kubernetes and Docker Compose YAML files?
Yes. All standard YAML specifications (including multi-line strings, lists, maps, and typed values) are fully supported.
Can I convert JSON back to YAML?
Yes. Switch the Conversion Mode option to 'JSON → YAML' to generate clean, readable YAML markup from JSON.
Is my configuration uploaded anywhere?
No. Conversion executes 100% in your browser using js-yaml with zero external network requests.
How does it handle YAML syntax errors?
If an indentation or unquoted character error is detected, the exact error reason and line location will be highlighted.
Can I output minified JSON?
Yes. Set 'Indent size' to 0 when converting YAML to JSON.