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format validator

YAML to JSON Converter

Convert YAML to JSON locally for API payloads and configs.

Results

Paste input and validate locally.
Status
Ready when you validate.
Details
Ready when you validate.
JSON output
Ready when you validate.

Rules & checks

Parses YAML locally using a browser-safe parser.

Outputs pretty JSON with indentation.

No data is stored or sent.

When to use it

  • Convert Helm or Kubernetes snippets to JSON for API testing
  • Transform YAML configs before storing in JSON-only systems
  • Debug user-submitted YAML by viewing it as JSON

Tips

  • Validate YAML first to avoid conversion errors
  • Redact secrets before converting and sharing output

Examples

Basic config

  • name: api -> { "name": "api" }

Invalid YAML

  • name api -> missing ':' flagged

FAQs

Does it support anchors/aliases?
Basic YAML features are supported; complex anchors may flatten in JSON output.
Is schema validation included?
No. This only converts structure to JSON.

Related validators

format

YAML Validator

Validate YAML with a real parser, spot indentation issues, and keep configs private in your browser.

format

JSON Validator & Syntax Checker

Check JSON syntax, catch trailing commas and quote errors, and keep every payload local to your browser.

Conversion only; does not enforce JSON schemas.