JSON Formatter & Validator

Paste JSON to instantly format and validate it. Convert to YAML, TOML, CSV, or XML with one click.

Common Use Cases

  1. API response formattingPaste a minified JSON response from an API to instantly format it with proper indentation and make it human-readable.
  2. Config file prettificationClean up a compact package.json, tsconfig.json, or any other JSON config file by prettifying it with consistent formatting.
  3. JSON-to-YAML conversionConvert a JSON configuration object to YAML format for use in GitHub Actions, Docker Compose, or Kubernetes manifests.

Pro plan — coming soon

Save your history, create reusable presets, and share outputs with a link. One plan, all tools.

See what's planned →

Frequently Asked Questions

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