JS Object to JSON Converter Online
Convert JavaScript objects to JSON format quickly and accurately.
Conversion Options
Exclude properties with undefined values
Exclude function properties
Format Date objects as ISO strings
Sort keys alphabetically
Conversion Statistics
Statistics will appear after conversion.
About JavaScript Object to JSON Converter
This free online JavaScript object to JSON converter transforms JavaScript object literals into valid JSON format with advanced handling of JavaScript-specific data types. Perfect for API development, configuration management, and data migration.
Key Features
- JavaScript object conversion to valid JSON format
- Smart data type handling for undefined, functions, and Date objects
- Customizable conversion options for different data type processing
- Real-time syntax validation of JavaScript object syntax
- File upload and download capabilities for batch processing
- Formatting control with adjustable indentation and key sorting
- Copy to clipboard or save results as .json files
- Size comparison and conversion metrics tracking
Use Cases
- API development for converting JavaScript objects to JSON payloads
- Configuration file transformation from JS objects to JSON format
- Data migration for converting JavaScript data to JSON-based systems
- Web development preparation for JSON.stringify() operations
- Testing and generating JSON test data from JavaScript objects
- Documentation conversion of code examples to JSON format
Supported Formats
Related Keywords
Conversion Note
JavaScript objects may contain data types that don't exist in JSON (like functions and undefined). Use the conversion options to control how these values are handled during the transformation process.
Privacy & Security
All processing happens locally in your browser. Your data never leaves your computer, ensuring complete privacy and security.
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