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JSON ↔ YAML Converter

Convert between JSON and YAML formats with preserved structure.

Runs in browserNo signupCopy or download result
Open editor

Editor

Adjust the asset, then export it.

Upload, paste, or preview the source, tune the options, and leave with a copy-ready or downloadable result.

Source

Upload, paste, or choose the asset to edit.

Preview

Adjust settings and inspect the visible output.

Export

Download, copy, or continue into a Studio.

Select the conversion direction in settings.

Formatted code, generated types, decoded values, or snippets appear here.

Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.

Editor workspace and output options

Export package

Use the result area as the copy-ready handoff for the next step in your work.

Input
The text, data, code, or settings you provide.
Result
Cleaned, generated, validated, converted, or formatted output.
Carry forward
Copy, download, or continue into the related guide.

Sample inputs and editing tips

How to edit and export cleanly

The JSON <-> YAML Converter is for moving configuration and data samples between machine-friendly JSON and human-friendly YAML.

It works well for Kubernetes snippets, CI configuration examples, static-site front matter, API docs, and small configuration files where preserving structure matters.

Common use cases

  • Convert API examples from JSON into YAML for documentation.
  • Turn YAML configuration into JSON before validating it in another tool.
  • Compare equivalent structures when debugging indentation or nesting issues.

How to use it well

  1. Paste the source data or upload a supported file when the tool allows it.
  2. Select formatting, conversion, or generation options.
  3. Run the tool and check errors or warnings before using the result.
  4. Copy the output into your editor, terminal, documentation, or test file.

Practical tips

  • YAML indentation matters, so check nested lists and maps after conversion.
  • Quote strings that look like booleans, dates, or numbers if they must remain strings.
  • Comments in YAML are not preserved when converting to JSON.

Limitations to know

  • YAML anchors, custom tags, and unusual schema features may not round-trip exactly.
  • JSON cannot represent YAML comments.

FAQ

Q: Does it preserve comments?

A: JSON cannot represent comments, so YAML comments are not preserved when converting to JSON.

Q: Can I convert large files?

A: Yes, works efficiently in the browser.

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Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.