TOML to JSON

Convert TOML configuration files to JSON format with validation

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What is TOML to JSON Conversion?

TOML to JSON conversion transforms TOML (Tom's Obvious, Minimal Language) configuration files into JSON (JavaScript Object Notation) format. TOML is a human-readable configuration format, while JSON is a widely-supported data format. Converting TOML to JSON enables use of TOML configs with JSON-based tools and APIs.

Why Convert TOML to JSON?

TOML to JSON conversion enables tool compatibility:

  • API Integration: Convert TOML configs to JSON for APIs that require JSON
  • Tool Compatibility: Use TOML configs with tools that only accept JSON
  • Data Processing: Process TOML configuration with JSON-friendly libraries
  • Format Standardization: Standardize on JSON format across projects
  • Modern Workflows: Use JSON format in modern development workflows

Common Use Cases

Configuration Migration

Convert TOML configuration files to JSON format for applications that require JSON. Useful when migrating between tools or frameworks.

API Development

Transform TOML configuration to JSON for API requests and responses. Many APIs use JSON as the standard format.

Tool Integration

Convert TOML configs to JSON for tools and libraries that don't support TOML natively. Enables use of TOML-based configs with JSON-only tools.

Data Processing

Convert TOML data to JSON for processing with JavaScript, Python, or other languages that have better JSON support.

Build System Integration

Transform TOML build configuration to JSON for build systems or CI/CD tools that require JSON format.

TOML to JSON Conversion Process

Our converter handles:

  1. TOML Parsing: Parses TOML structure including tables, arrays, and nested structures
  2. Type Conversion: Converts TOML data types to JSON equivalents
  3. Structure Mapping: Maps TOML tables to JSON objects
  4. Array Handling: Converts TOML arrays to JSON arrays
  5. Validation: Validates TOML syntax before conversion

TOML vs JSON Differences

TOML Advantages

  • More human-readable
  • Supports comments
  • Better for configuration files
  • Explicit data types

JSON Advantages

  • More widely supported
  • Native language support
  • Better for APIs
  • Simpler parsing

Conversion Considerations

  • Comments: TOML comments are lost in JSON conversion (JSON doesn't support comments)
  • Data Types: TOML types map to JSON types (strings, numbers, booleans, arrays, objects)
  • Tables: TOML tables convert to JSON objects
  • Array of Tables: TOML array of tables convert to JSON arrays of objects
  • Dates: TOML dates convert to JSON strings

Best Practices

  • Validate TOML: Ensure TOML is valid before conversion
  • Review Output: Check converted JSON for accuracy
  • Preserve Structure: Verify nested structures are maintained
  • Test Integration: Test JSON output with your target system
  • Backup Original: Keep original TOML files as backup

Privacy and Security

Our TOML to JSON converter processes all configuration data entirely in your browser. No TOML or JSON data is sent to our servers, ensuring complete privacy for sensitive configuration files.

Related Tools

If you need to work with TOML or JSON in other ways, check out:

  • JSON to TOML: Convert JSON back to TOML format
  • TOML Formatter: Format and validate TOML files
  • JSON Formatter: Format and validate JSON data
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