JSON to Rust Struct Generator

Generate Rust structs with Serde derive macros and rename attributes from JSON.

JSON Input

Rust Struct Output

use serde::{Deserialize, Serialize};

#[derive(Debug, Serialize, Deserialize)]
pub struct Root {
    pub user_name: String,
    pub age: i64,
    pub email: Option<String>,
    pub scores: Vec<i64>,
    pub address: Address,
}

#[derive(Debug, Serialize, Deserialize)]
pub struct Address {
    pub city: String,
    pub zip_code: String,
}

Rust uses the Serde library for JSON serialization and deserialization. Structs must derive Serialize and Deserialize, and the #[serde(rename)] attribute maps between JSON field names and Rust snake_case field names. Nullable fields use Option<T>, and arrays use Vec<T>.

Frequently Asked Questions

: It generates Rust structs with #[derive(Debug, Serialize, Deserialize)] and serde rename attributes for JSON field names.

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