Data Tools

YAML to JSON

Paste YAML and get formatted JSON for APIs, tests, or documentation. Conversion stays local in your browser.

How to use

JSON to YAML
Paste JSON and get clean YAML output for configs, CI files, or Kubernetes manifests—all converted locally in your browser.
JSON Formatter
Paste JSON to format, validate, and beautify it instantly in your browser. Free online JSON formatter.
YAML Validator
Paste YAML to validate syntax instantly in your browser. Free online YAML validator with clear error messages.

Does this support multi-document YAML?

The parser reads the first YAML document. Split multi-doc files before converting if you need each document separately.

Can I validate YAML first?

Use YAML Validator to check syntax, then convert here for pretty JSON output.

Is my data uploaded?

No. Conversion runs entirely in your browser.