YAML to JSON

Convert YAML files to JSON format online. Transform human-readable config files into standard JSON data.

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File is too large. The limit is 100 MB.

Supported: .yaml, .yml (Max 100 MB)

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info About this tool
Convert YAML configuration files and data to JSON format. Ideal for developers working with APIs, CI/CD pipelines, and configuration management.

File size: JSON output is typically 10–20% larger than YAML due to added braces, brackets, and quoted keys.

Quality: YAML comments are not preserved in the JSON output. Multi-line strings are collapsed to single-line JSON strings.

format_list_numbered How to convert
  • 1
    Upload your YAML or YML file.
  • 2
    The tool parses the YAML structure.
  • 3
    Download the converted JSON file.
help FAQ

Does it support multi-document YAML?

Single-document YAML is fully supported. Multi-document files (separated by ---) will use the first document.
lightbulb Common use cases
  • check_circle Converting Kubernetes manifests from YAML to JSON for API calls
  • check_circle Feeding YAML configuration into JSON-only APIs or tools
  • check_circle Debugging YAML structure by viewing the equivalent JSON
  • check_circle Migrating configuration files between YAML and JSON-based systems
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