YAML ↔ JSON Converter

Convert YAML to JSON or JSON to YAML with validation errors, copy, and download support.

Input

Output

How to use YAML ↔ JSON Converter

Add YAML or JSON content into the input editor.

Select YAML to JSON or JSON to YAML based on your input.

Click the convert button to generate the output.

Check the converted YAML or JSON in the output editor.

Copy the converted result or download it as a text file.

Reset the input and output areas when starting again.

Add YAML or JSON content into the input editor.

Select YAML to JSON or JSON to YAML based on your input.

Click the convert button to generate the output.

Check the converted YAML or JSON in the output editor.

FAQ

Can I convert YAML to JSON?

Yes, paste YAML and get valid JSON output with proper indentation.

Does it convert JSON back to YAML?

Yes, the converter supports both directions.

Is the YAML JSON converter free?

Yes, completely free with unlimited conversions.

Does it validate my YAML syntax?

Yes, invalid YAML shows a clear error message pointing at the problem.

Is my data uploaded anywhere?

No, all conversion runs locally in your browser so your data stays private.