JSON/YAML Converter
Convert and validate JSON ā YAML with pretty-print. Client-side only.
JSON ā YAML
YAML ā JSON
How to Convert JSON and YAML?
JSON to YAML:
- Paste or type your JSON data in the left text area.
- Click Convert to transform it to YAML format.
- Optionally click Pretty to format your JSON.
- Click Copy YAML to copy the result.
YAML to JSON:
- Paste or type your YAML data in the right text area.
- Click Convert to transform it to JSON format.
- Click Copy JSON to copy the result.
Frequently Asked Questions
How do I convert JSON to YAML?
Paste your JSON into the input field, select JSON ā YAML as the conversion direction, and click Convert. The output YAML preserves all data types including strings, numbers, booleans, arrays, and nested objects.
How do I convert YAML to JSON?
Paste your YAML into the input, select YAML ā JSON, and click Convert. The output is formatted JSON. Multi-document YAML (separated by ---) will be converted to a JSON array.
What is the main difference between JSON and YAML?
JSON uses braces, brackets, and quotes ā great for APIs and machine processing. YAML uses indentation and is more human-readable ā preferred for configuration files (Docker Compose, Kubernetes, CI/CD). They represent the same data structures.
Does the converter validate the input syntax?
Yes. If your JSON or YAML has syntax errors, the converter will display an error message indicating the problem rather than producing incorrect output. Fix the syntax and retry.
