What does JSON to Spring DTO do?

It parses raw JSON and generates ready-to-use Spring Boot DTO classes, Java Records, or Lombok classes with Jakarta Bean Validation and Jackson annotations.

Which Java formats are supported?

Modern Java 17+ Records, Lombok (@Data, @Builder), and standard POJOs with getters and setters.

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Input JSON

Generated Spring DTO

package com.example.dto;

import com.fasterxml.jackson.annotation.JsonProperty;
import jakarta.validation.Valid;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.NotNull;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.List;
import java.util.UUID;

public record AddressDto(
    @NotBlank String street,
    @NotBlank String city,
    @NotBlank String postalCode
) {}

public record UserResponseDto(
    @NotNull UUID id,
    @NotBlank String name,
    @NotBlank String email,
    @NotNull Integer age,
    @NotNull Boolean isActive,
    @NotNull List<String> roles,
    @NotNull LocalDateTime createdAt,
    @NotNull @Valid AddressDto address
) {}

About JSON to Spring DTO

JSON to Spring DTO transforms JSON payloads into strongly-typed Java DTO classes for Spring Boot applications, supporting Java 17+ Records, Lombok annotations (@Data, @Builder), and standard POJOs with Jackson annotations.

Key Capabilities & Features

✓

Generates modern Java 17+ Records with immutable constructor semantics

✓

Generates Lombok-annotated Java classes (@Getter, @Setter, @Builder, @NoArgsConstructor)

✓

Generates classic JavaBean POJOs with standard getters, setters, and Jackson annotations

✓

Automatically detects nested objects, arrays, timestamps, and primitives

How to Use JSON to Spring DTO

01
Paste sample JSON
Provide a sample JSON payload in the input editor.
02
Select class style & options
Choose between Java Record, Lombok Class, or Standard POJO, and specify package/class names.
03
Copy Java source code
Copy the ready-to-use Java source code into your Spring Boot project.

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