JSON ↔ YAML Converter
Convert configuration files instantly in either direction.
Direction
Indentation
YAML output
YAML will appear here
Paste, upload or load a sample JSON above to begin
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JSON to YAML Converter – Convert JSON & YAML Online
Convert JSON to YAML or YAML to JSON instantly. Validates your input and shows the exact line of any error, all processed in your browser.
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What is JSON to YAML Converter?
Convert between JSON and YAML in either direction. Paste JSON to get clean YAML for Kubernetes, Docker Compose, GitHub Actions and config files, or paste YAML to get formatted JSON for APIs. Input is validated as you type, and syntax errors point to the line that needs fixing. Nothing you paste is uploaded.
- json
- yaml
- converter
- config
- devops
- kubernetes
Features
What you get with JSON to YAML Converter.
Both Directions
Convert JSON to YAML or YAML to JSON with one click.
Line-Level Errors
Invalid input shows a clear message, including the line number for YAML.
Sort Keys
Optionally sort object keys alphabetically for consistent, diff-friendly output.
Browser-Side Processing
Your data is converted in your browser and is never uploaded.
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Frequently asked questions
Common questions about JSON to YAML Converter.
Both describe structured data. JSON uses braces, brackets and quotes and is strict about syntax. YAML uses indentation and is easier for humans to read and edit, which is why it is common in configuration files.
Yes. Objects, arrays, strings, numbers, booleans and null values convert directly. Converting back to JSON produces the same data structure.
YAML is sensitive to indentation and does not allow tabs for indentation. Check that nested items are indented with spaces and that each key appears only once in the same block. The error message gives the line number to look at.
It orders object keys alphabetically at every level. This is useful when you want output that is consistent between runs or easier to compare in a diff.
Yes. Paste a JSON manifest to get YAML you can save as a Kubernetes or Compose file, or paste a YAML file to inspect it as JSON. Always review the output before applying it to a live system.
No. The conversion runs entirely in your browser, so the JSON or YAML you paste is not uploaded or stored.
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