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YAML to JSON

Convert YAML to JSON and JSON to YAML instantly. Essential for working with Kubernetes configs, Docker Compose files, CI/CD pipelines, and APIs.

Used 43.1K times today

Supports: key-value pairs, nested objects, arrays with -, booleans, numbers, null

How to Use YAML to JSON

  1. 1

    Paste your YAML content

    Copy your YAML configuration or data file and paste it into the input panel on the left.

  2. 2

    Select the conversion direction

    Choose YAML to JSON or JSON to YAML depending on what you need.

  3. 3

    Copy the output

    The converted output appears in the right panel. Copy it to your clipboard or download it as a file.

Frequently Asked Questions

Does the converter handle multi-document YAML files?
Yes. YAML files with multiple documents separated by "---" are supported and each document is converted independently.
Are YAML anchors and aliases supported?
Yes. The parser resolves YAML anchors (&) and aliases (*) before converting, so the output JSON contains the fully resolved values.
Can I convert a Kubernetes manifest YAML to JSON?
Yes. Kubernetes manifests are valid YAML and convert cleanly to JSON, which can be useful for API calls using kubectl or REST clients.

About YAML to JSON

The YAML to JSON Converter on Utilko is a must-have tool for DevOps engineers, backend developers, and anyone working in cloud infrastructure. YAML is the lingua franca of configuration files in tools like Kubernetes, Ansible, GitHub Actions, and Docker Compose, while JSON is the format of choice for APIs and many data interchange scenarios.

Converting between the two is a frequent need, whether you are passing a config to an API, debugging a CI/CD pipeline, or adapting a configuration for a different tool. The converter handles all YAML features including nested structures, arrays, booleans, null values, anchors, and aliases.

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