Is data sent to any server?

No, the YAML parser runs entirely in your browser using pure JavaScript.

JSON to YAML / YAML to JSON Converter

Bidirectional converter between JSON and YAML with syntax validation and indentation controls.

Zero Server Uploads

Indent:

JSON Input

23 lines353 B

{
  "apiVersion": "apps/v1",
  "kind": "Deployment",
  "metadata": {
    "name": "web-app",
    "labels": {
      "app": "web"
    }
  },
  "spec": {
    "replicas": 3,
    "template": {
      "spec": {
        "containers": [
          {
            "name": "node-server",
            "image": "node:20-alpine"
          }
        ]
      }
    }
  }
}

YAML Output

0 B

Client Memory Engine353 chars

100% Client-Side. No data ever leaves your browser.

Seamless JSON and YAML Conversion

Kubernetes manifests, GitHub Actions workflows, Docker Compose files, and OpenAPI specs often require switching between JSON and YAML. This tool provides bidirectional conversion with strict type preservation.

Key Highlights & Capabilities

Two-way instant conversion (JSON to YAML and YAML to JSON)
Configurable YAML indentations
Preserves arrays, booleans, nulls, and nested blocks
Strict syntax validation with instant error messages

Technical Specifications & In-Browser Limits

Execution & Privacy Model

100% in-browser client execution. No server logs, no database storage, and no network transmission of editor content.

Performance & Payload Capacity

Equipped with virtualized gutter windowing. Handles files up to ~25 MB or 400,000 lines smoothly without freezing browser UI.

Frequently Asked Questions

Yes, it parses and converts multi-document YAML sequences cleanly.

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