YAML to JSON Converter

Data Converters

Convert YAML to formatted or minified JSON in one click. Real-time validation, pretty 2-space output or compact single-line JSON, copy and download — 100% client-side.

100% Client-Side — Your data never leaves your browser.
Output style
Formatted output is indented for readability — minified output is a single compact line.
YAML Input
JSON Output

Paste a YAML document (Kubernetes manifests, Helm values…) to convert it to JSON.

JSON to YAML Converter

Convert JSON to clean, readable YAML instantly. Choose 2 or 4 space indentation, validate JSON in real time, then copy or download — nothing ever leaves your browser.

Data Converters

JSON to CSV Converter

Convert JSON arrays or objects to CSV instantly. Nested objects are flattened into dot notation, arrays kept as clean JSON cells, with live preview and one-click .csv download.

Data Converters

JSON to C# Class Generator

Generate strongly-typed C# classes from JSON instantly. Nested objects, List<T>, DateTime, nullable types, JsonPropertyName attributes and PascalCase options — copy ready-to-use code.

Code Generators

JSON to Pydantic Model Generator

Generate Python Pydantic v2 BaseModel classes from JSON. Nested models, Optional fields, list[...] and dict[...] hints, aliases via Field — copy-paste ready Python code.

Code Generators

How to Use

Three steps from raw data to finished output — no account required.

  1. 1

    Paste your YAML document (or a Kubernetes/Helm manifest) into the left pane or load the sample.

  2. 2

    Choose Formatted for readable 2-space JSON or Minified for compact single-line JSON.

  3. 3

    Copy the resulting JSON to your clipboard or download it as a .json file.

Frequently Asked Questions

Everything you need to know about the yaml to json converter.

Formatted JSON is indented across multiple lines, making it easy to read and review in version control. Minified JSON removes all whitespace for the smallest possible payload — ideal for API requests, environment variables and production bundles.

Yes. The converter supports multi-document-friendly YAML structures, nested maps, lists, comments and standard YAML scalars, so Kubernetes manifests, Helm values and Docker Compose files convert to valid JSON without data loss.

YAML is indentation-sensitive. Tabs, mismatched indentation or unquoted special characters are the most common causes. The validator pinpoints the exact line and column of the error so you can fix the manifest and convert it immediately.

Completely. There are no fees, accounts or upload limits. Parsing runs locally in your browser, so sensitive manifests — including credentials and internal hostnames — stay on your machine at all times.