Free Online JSON to Kotlin Data Class

Free online JSON to Kotlin Data Class. Runs locally in your browser with zero uploads for privacy and speed.

根类型名注解

JSON 输入

说明：混合类型/混合数组会降级为 Any?；字段缺失/为 null 会生成可空类型。

Kotlin 输出

import kotlinx.serialization.Serializable

@Serializable
data class AutoGeneratedProfile(
  val email: String
)

@Serializable
data class AutoGenerated(
  val id: Long,
  val name: String,
  val profile: AutoGeneratedProfile,
  val tags: List<String?>
)