YAML to JSON Converter API

Transform YAML configuration files to JSON format instantly. Perfect for API integration, DevOps workflows, configuration management, and seamless integration with modern applications and microservices.

✓ Preserves data types

✓ Handles complex nesting

✓ DevOps friendly

🚀 Start Converting for Free

✓ 100 free conversions monthly ✓ No credit card ✓ Instant setup

How to Convert YAML to JSON

Input: YAML Configuration

apiVersion: v1
kind: Service
metadata:
  name: web-service
  labels:
    app: web
    version: "1.2.0"
spec:
  selector:
    app: web
  ports:
    - name: http
      port: 80
      targetPort: 8080
      protocol: TCP
  type: LoadBalancer
database:
  host: localhost
  port: 5432
  credentials:
    username: admin
    password: secret123

Human-readable YAML configuration with nested objects, arrays, and multiple data types.

Output: JSON Format

{
  "apiVersion": "v1",
  "kind": "Service",
  "metadata": {
    "name": "web-service",
    "labels": {
      "app": "web",
      "version": "1.2.0"
    }
  },
  "spec": {
    "selector": {
      "app": "web"
    },
    "ports": [
      {
        "name": "http",
        "port": 80,
        "targetPort": 8080,
        "protocol": "TCP"
      }
    ],
    "type": "LoadBalancer"
  },
  "database": {
    "host": "localhost",
    "port": 5432,
    "credentials": {
      "username": "admin",
      "password": "secret123"
    }
  }
}

Structured JSON with proper data types, ready for APIs, databases, and JavaScript applications.

YAML to JSON Processing Features

🔧 Data Type Preservation

Numbers: 123 → 123, 45.67 → 45.67

Booleans: true/false → boolean values

🏗️ Complex Structure Support

Nested objects: Deep hierarchy preservation

Arrays: Lists and sequences maintained

🧹 Format Validation

Syntax check: Validate YAML before conversion

Error reporting: Clear error messages for debugging

🎯 Multi-document Support

Single docs: Standard YAML to JSON conversion

Multi docs: Handle YAML with multiple documents

📏 Large Files

Streaming: Process large YAML files efficiently

Memory: Optimized for enterprise configurations

⚡ Output Options

Formatting: Minified or pretty-printed JSON

Encoding: UTF-8 support for international characters

API Usage Examples

Basic YAML to JSON Conversion

curl -X POST https://api.t3xtr.org/api/yaml-to-json \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: text/plain" \
  -d "name: my-app
version: 1.0.0
config:
  debug: true
  port: 3000"

# Response
{
  "name": "my-app",
  "version": "1.0.0",
  "config": {
    "debug": true,
    "port": 3000
  }
}

Kubernetes YAML to JSON

curl -X POST https://api.t3xtr.org/api/yaml-to-json \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: text/plain" \
  -d "apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80"

Multi-Document YAML Processing

curl -X POST https://api.t3xtr.org/api/yaml-to-json \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "yaml": "---\nservice: web\nport: 80\n---\nservice: api\nport: 3000",
    "options": {
      "multiDocument": true,
      "validateSyntax": true,
      "preserveComments": false
    }
  }'

Common YAML to JSON Use Cases

☸️ Kubernetes & Docker

Convert Kubernetes manifests, Docker Compose files, and container configurations from YAML to JSON for programmatic processing.

Perfect for: CI/CD pipelines, infrastructure automation, container orchestration

🔧 Configuration Management

Transform application configs, environment settings, and deployment parameters from YAML to JSON for web applications.

Perfect for: App configuration, environment variables, deployment automation

🌐 API Integration

Convert YAML configuration files to JSON format for REST API consumption, database storage, and microservice communication.

Perfect for: REST APIs, microservices, database imports

📊 Data Processing

Process YAML data files, research datasets, and structured documents for analytics platforms and data science workflows.

Perfect for: Data analysis, ETL processes, research data processing

🏗️ Infrastructure as Code

Convert infrastructure definitions, cloud formations, and deployment templates from YAML to JSON for cloud platforms.

Perfect for: AWS CloudFormation, Terraform, infrastructure automation

📋 Documentation Processing

Transform YAML frontmatter, documentation metadata, and structured content to JSON for static site generators and CMS.

Perfect for: Jekyll, Hugo, Gatsby, headless CMS integration

Programming Language Examples

JavaScript/Node.js

const yamlData = `
name: my-app
version: 1.0.0
config:
  debug: true
  port: 3000
`;

const response = await fetch('https://api.t3xtr.org/api/yaml-to-json', {
  method: 'POST',
  headers: {
    'X-API-Key': 'YOUR_API_KEY',
    'Content-Type': 'text/plain'
  },
  body: yamlData
});
const json = await response.json();

Python

import requests

yaml_data = """
name: my-app
version: 1.0.0
config:
  debug: true
  port: 3000
"""

response = requests.post(
    'https://api.t3xtr.org/api/yaml-to-json',
    headers={'X-API-Key': 'YOUR_API_KEY'},
    data=yaml_data
)
json_data = response.json()

PHP

$yamlData = "
name: my-app
version: 1.0.0
config:
  debug: true
  port: 3000
";

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://api.t3xtr.org/api/yaml-to-json');
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $yamlData);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'X-API-Key: YOUR_API_KEY',
    'Content-Type: text/plain'
]);
$json = json_decode(curl_exec($ch), true);

Java

String yamlData = """
name: my-app
version: 1.0.0
config:
  debug: true
  port: 3000
""";

HttpRequest request = HttpRequest.newBuilder()
    .uri(URI.create("https://api.t3xtr.org/api/yaml-to-json"))
    .header("X-API-Key", "YOUR_API_KEY")
    .header("Content-Type", "text/plain")
    .POST(HttpRequest.BodyPublishers.ofString(yamlData))
    .build();
    
String json = client.send(request, 
    HttpResponse.BodyHandlers.ofString()).body();

Why Use T3XTR for YAML to JSON Conversion?

🚀 Lightning Fast

Convert YAML to JSON in under 100ms. Optimized for performance with streaming support for large configuration files up to 50MB.

🧠 Smart Parsing

Accurately parse complex YAML structures, preserve data types, and handle multi-document files with comprehensive error reporting.

🔧 DevOps Ready

Perfect for Kubernetes, Docker, CI/CD pipelines, and infrastructure automation with validation and error handling.

📊 Enterprise Scale

Process complex configurations with deep nesting, arrays, and mixed data types reliably at enterprise scale.

📁 Batch Processing

Convert multiple YAML files simultaneously. Process up to 25 files per request for efficient bulk operations.

🛠️ Developer Friendly

Simple REST API with comprehensive error handling. Perfect for automation scripts and CI/CD integration.

Frequently Asked Questions

Are YAML data types preserved in JSON?

Yes! T3XTR preserves numbers, booleans, strings, and null values, converting them to appropriate JSON data types.

Can I handle multi-document YAML files?

Yes! T3XTR can process YAML files with multiple documents separated by --- and convert them to JSON arrays.

What happens with YAML syntax errors?

T3XTR provides clear error messages with line numbers and descriptions to help you fix YAML syntax issues.

Does it work with Kubernetes YAML?

Absolutely! T3XTR handles Kubernetes manifests, Helm charts, and other complex YAML configurations perfectly.

Ready to Convert Your YAML Configurations?

Join DevOps teams who trust T3XTR for reliable YAML to JSON conversion

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