JSON to Rust Serde Structs Converter [2025]

Tool rating: 1 person found this tool terrific

Generate type-safe Rust structs from JSON with Serde support. Features custom derive macros, field attributes, and smart type inference. Perfect for API integration and data modeling.

✓ Serde Support✓ Custom Attributes✓ Type Inference

JSON

Rust Structs

Code Generation Features

Rust Features

  • •

    Smart Type Inference

    Automatic detection of appropriate Rust types

  • •

    Visibility Modifiers

    Configure struct and field visibility

  • •

    Nested Structures

    Support for complex nested objects

Serde Features

  • •

    Derive Macros

    Automatic Serialize/Deserialize implementation

  • •

    Field Attributes

    Rename options and case conversion

  • •

    Optional Fields

    Option<T> wrapping for nullable values

Usage Guide

Setup

  • • Add serde dependency
  • • Enable derive feature
  • • Import prelude
  • • Configure attributes

Development

  • • Parse JSON responses
  • • API integration
  • • Data modeling
  • • Type safety

Best Practices

  • • Use proper types
  • • Handle optionals
  • • Document structs
  • • Test serialization

Frequently Asked Questions

What are Serde derive macros?

Serde derive macros automatically implement serialization and deserialization for your Rust structs. The #[derive(Serialize, Deserialize)] attribute adds implementation for converting between Rust types and various formats like JSON.

How are different types handled?

The converter intelligently maps JSON types to appropriate Rust types: numbers to i64/f64, strings to String, objects to nested structs, and arrays to Vec. It also handles optional values with Option<T>.

What about field naming conventions?

You can choose between camelCase (JSON style) and snake_case (Rust style) field names. Serde attributes are automatically added to handle the conversion between different naming conventions.

Can I customize the generated code?

Yes, you can configure visibility modifiers, field optionality, naming conventions, and derive macros. The generated code is a starting point that you can further customize for your specific needs.

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