JSON to Objective-C Converter: Generate Objective-C Models Instantly

Working with JSON in Objective-C projects can be tedious, especially when creating model classes for API responses. Our JSON-to-Objective-C tool converts JSON directly into ready-to-use Objective-C models, saving time and reducing errors.

Why Developers Need a JSON-to-Objective-C Tool

Manual conversion of JSON to Objective-C:

• Introduces syntax errors easily
• Requires manual creation of nested classes
• Becomes complex with deeply nested objects or arrays
• Slows down development and prototyping

Automating the conversion ensures error-free models, consistency, and faster workflow.

Key Features of JSON-to-Objective-C Tool

• Converts JSON objects to Objective-C classes
• Handles nested objects and arrays automatically
• Supports nullability and type inference
• Accepts JSON strings, files, or URLs
• Offers copy and download options for generated models

How the JSON-to-Objective-C Tool Works

Step 1: Paste JSON

Insert your JSON in the left panel.

Step 2: Click Convert

Press the Convert button in the center.

Step 3: View Output

Generated Objective-C code appears on the right panel, ready to copy or download.

Example: Simple JSON Conversion

Input JSON:

{
  "id": 1,
  "title": "LangStop",
  "tags": ["json", "objc", "converter"]
}

Generated Objective-C Model:

@interface Data : NSObject
 
@property (nonatomic, assign) NSInteger id;
@property (nonatomic, strong) NSString *title;
@property (nonatomic, strong) NSArray<NSString *> *tags;
 
@end

Example: Nested JSON Conversion

Input JSON:

{
  "user": {
    "id": 101,
    "profile": {
      "age": 25,
      "email": "user@example.com"
    }
  }
}

Generated Objective-C Models:

@interface Profile : NSObject
 
@property (nonatomic, assign) NSInteger age;
@property (nonatomic, strong) NSString *email;
 
@end
 
@interface User : NSObject
 
@property (nonatomic, assign) NSInteger id;
@property (nonatomic, strong) Profile *profile;
 
@end

Benefits of Using JSON-to-Objective-C Tool

• ✅ Save Time – Generate models instantly
• ✅ Reduce Errors – Correct syntax and types
• ✅ Boost Productivity – Focus on logic, not boilerplate
• ✅ Clean & Readable Code – Well-structured class files

Best Practices for Objective-C Developers

• Validate JSON before conversion with a JSON linter
• Use descriptive class and property names
• Split large JSON into multiple manageable models
• Reuse generated models across team projects

Integrating Generated Objective-C Models

1. Copy the generated .h and .m files
2. Add them directly into your Xcode project
3. Use NSJSONSerialization for parsing:

NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
NSDictionary *jsonDict = [NSJSONSerialization JSONObjectWithData:jsonData options:0 error:nil];
User *user = [[User alloc] init];
[user setValuesForKeysWithDictionary:jsonDict];

Step-by-Step How-to Guide

1. Paste your JSON in the left panel
2. Click Convert in the center
3. Review generated Objective-C code on the right panel
4. Copy or download your .h and .m files
5. Import into your Xcode project and use

FAQ (Frequently Asked Questions)

Q: Can this tool handle nested arrays? A: Yes, nested arrays are converted to NSArray automatically.

Q: Can I configure nullability? A: Yes, optional fields can be marked as nullable (nullable) in the generated models.

Q: Can I import JSON from a URL? A: Yes, paste the URL, and the tool fetches and converts the JSON automatically.

Q: Can I generate models for large JSON files? A: Absolutely, large and complex JSON structures are fully supported.

Q: Does it support Objective-C coding standards? A: Yes, it generates clean and standard Objective-C class syntax with properties.

Related Developer Tools

• JSON to Swift – Generate Swift models from JSON
• JSON Formatter & Validator – Format, validate, and clean JSON
• JSON to Java – Generate Java classes from JSON

Get Started Today

Stop manually creating Objective-C models. Use our JSON-to-Objective-C tool to save time, reduce errors, and accelerate your development workflow.

Try JSON-to-Objective-C Now