📌 Overview

Convert basic YAML into JSON instantly. Supports nested maps, lists, and scalars — perfect for turning config files into API-ready JSON.

📦 YAML to JSON Converter

Convert basic YAML into JSON instantly. Supports nested maps, lists, and scalars — perfect for turning config files into API-ready JSON.

YAML

Paste YAML and click Convert.

🔒 All processing happens in your browser. No data is uploaded to any server.

📋 How to Use

Paste YAML into the box.
Click "Convert".
Copy the JSON output.
Note: advanced YAML features (anchors, multi-line) are not supported.

❓ FAQ

What YAML features are supported?

Nested maps, lists, strings, numbers, booleans and null. Anchors, aliases and complex multi-line blocks are not supported — keep input simple.

How are lists detected?

Lines starting with "- " under a key become array items; their indentation sets the nesting level.

Will it handle tabs?

Use spaces for indentation. Mixed tabs may produce unexpected nesting.

❓ More Questions

Which YAML features are supported?

Nested maps, lists, strings, numbers, booleans, and null. Anchors, aliases, and complex multi-line blocks are not supported yet - keep input simple.

How are lists recognized?

Lines starting with dash under a key are treated as array items; indentation decides nesting depth.

💡 Use Cases

⚙️

Config Migrate

Turn YAML config into JSON.

🔌

API Prep

Make configs API-ready.

📦

DevOps

Convert CI pipeline definitions.

🔗 Related Tools

📖 Deep Dive: YAML to JSON Converter

Why convert YAML to JSON

YAML is highly readable and common for config; JSON is the de-facto standard for APIs and front-ends. Turning the former into the latter is a daily task for devs and ops.

How it works

The tool builds the hierarchy by indentation, parses key value pairs into object properties, treats dash lines as array items, and serializes to JSON. It covers common structures and does not handle anchors and other advanced syntax.

A quick example

Paste a docker-compose-style YAML and the converted JSON can be pasted straight into a back-end that expects JSON config.