JSON to Firebase Converter

About JSON to Firebase Converter

Convert JSON data to Firebase Realtime Database structure. Automatically handles arrays, nested objects, and generates Firebase-compatible push IDs for optimal data organization.

Key Features

• Push ID Generation: Automatically generates Firebase-style push IDs for array items
• Array Flattening: Option to convert arrays to Firebase-friendly object structures
• Key Sanitization: Removes invalid characters (., $, #, [, ], /) from keys
• Nested Support: Handles deeply nested objects and arrays
• Type Preservation: Maintains strings, numbers, booleans, and null values
• File Upload: Upload JSON files directly or paste data
• Instant Preview: Real-time conversion as you type

How to Use

1. Input JSON Data: Paste your JSON data or upload a .json file
2. Configure Options: Choose push ID and array flattening preferences
3. Review Output: The Firebase-compatible JSON updates automatically
4. Copy or Download: Use the Copy or Download button to save your data

Example Conversion

JSON Input (Array):

[
  {"name": "John", "age": 28},
  {"name": "Jane", "age": 34}
]

Firebase Output (with Push IDs):

{
  "-NXk7Qm9pRt8sK3fG2h1": {
    "name": "John",
    "age": 28
  },
  "-NXk7Qm9pRt8sK3fG2h2": {
    "name": "Jane",
    "age": 34
  }
}

Common Use Cases

• Data Migration: Import JSON data into Firebase Realtime Database
• API Integration: Convert REST API responses to Firebase format
• Database Seeding: Prepare initial data for Firebase projects
• Data Transformation: Convert between different JSON structures
• Testing: Generate Firebase-compatible test data

Firebase Compatibility

• Push IDs: Generates unique, chronologically sortable IDs like Firebase
• Key Restrictions: Removes characters not allowed in Firebase keys
• Array Handling: Converts arrays to objects with unique keys (recommended by Firebase)
• Data Types: Supports all Firebase data types (string, number, boolean, null, object)
• Nested Depth: No limit on nesting depth (subject to Firebase limits)

Best Practices

• Use Push IDs: Enable for arrays to get Firebase-style unique identifiers
• Flatten Arrays: Firebase recommends using objects instead of arrays for better performance
• Sanitize Keys: Tool automatically removes invalid characters from keys
• Structure Data: Organize data in a flat structure when possible for better queries

Privacy & Security

All conversions happen locally in your browser. Your JSON data is never uploaded to any server, ensuring complete privacy and security.