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JSON to YAML Converter.

Convert JSON structures to clean, formatted, human-readable YAML with customized indentation and key sorting.

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JSON Input

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YAML Output

How to Convert JSON to YAML Online (Free & Client-Side)

Converting JSON data to YAML is a daily requirement when translating API responses, MongoDB document exports, or npm package configs into readable cloud infrastructure files for Kubernetes, Docker Compose, Ansible, or GitHub Actions.

Paste or Upload JSON: Input raw or minified JSON into the left pane, or upload a .json file.
Customize Formatting: Choose between 2-space and 4-space indentation.
Alphabetical Key Sorting: Enable Sort Keys to standardize object ordering for clean Git diffs.
Copy or Download YAML: Save the formatted output directly as a .yaml configuration file.

Programmatic JSON to YAML in Python

import json
import yaml

# Parse JSON string into Python object, then dump as YAML
json_str = '{"name": "production-cluster", "nodes": 5, "active": true}'
data = json.loads(json_str)
yaml_output = yaml.dump(data, sort_keys=False, default_flow_style=False)
print(yaml_output)

Knowledge Base

Frequently Asked Questions.

Everything you need to know about YAML to JSON conversion, syntax formatting, and privacy.

How to convert json to yaml?

To convert JSON to YAML, paste your JSON string into the editor above. The tool parses objects and arrays into clean block-style YAML with configurable 2-space or 4-space indentation.

How to convert json to yaml in python?

In Python, load your JSON with json.loads() and dump to YAML with yaml.dump(data, default_flow_style=False) using the pyyaml package.

What tools can I use to convert json to yaml?

You can use yamlconverter.com for instant in-browser conversion, yq CLI, or VS Code extensions like Red Hat's YAML extension.

How to convert json to yaml in visual studio code?

Install the "YAML" extension by Red Hat or "json2yaml", press Ctrl+Shift+P (or Cmd+Shift+P on Mac), and run the "Convert JSON to YAML" command.

How does the JSON to YAML converter handle nested objects and arrays?

Objects are formatted into indented key-value pairs, and arrays are formatted into readable hyphenated block sequences (- item). You can customize indentation, sort keys alphabetically, and choose quote styles.