Free XML to Java Converter — generate Java classes from XML in your browser

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🧬 XML to Java — Free Online Tool

Convert XML to Java online, free. XML is a verbose, self-describing markup format used in SOAP, RSS and enterprise systems. Java POJOs/records model structured data for the JVM. XML to Java conversion parses your XML against the W3C XML 1.0 grammar (https://www.w3.org/TR/xml/), builds an in-memory model of its keys, nested objects and arrays, then emits ready-to-use Java types as POJOs with Jackson annotations following the Java Language Specification conventions. Processing runs in your browser in JavaScript with no upload or server round-trip — no size limit beyond your device's memory, so multi-megabyte documents convert in milliseconds and sensitive payloads never leave your machine. Typical uses include Spring/Jackson data binding, Android models and enterprise services.

🚀 Why use this XML to Java tool?

It maps the full structure of your XML onto idiomatic Java types, following the Java Language Specification conventions. 100% free, no registration, and complete privacy — everything runs locally in your browser, so your data never touches a server.

Key Features

Instant, in-browser

Paste XML and generate Java types from Java immediately. Conversion runs client-side, so there is no upload wait and large documents stay fast.

🧩Structure-aware mapping

Nested XML objects, tables and arrays are mapped faithfully onto Java, including nested types and optional fields.

🔒100% private

Your XML never leaves your device — everything is processed locally in JavaScript, with nothing logged or stored.

🆓Free, no signup

Unlimited conversions with no account, no quotas, and no watermark. Works on desktop and mobile.

Popular Use Cases

Typed models from samples

  • Turn a sample XML payload into Java types
  • Skip hand-writing boilerplate models
  • Keep front-end and back-end shapes in sync

Spring/Jackson data binding

  • Spring/Jackson data binding
  • Android models
  • enterprise services

Onboarding a new API

  • Paste an example XML response
  • Get typed Java to consume it safely
  • Catch shape mismatches at compile time

What It Handles

Structure

  • Nested objects & tables
  • Arrays / lists
  • Deeply nested documents

Values

  • Inferred types (string, number, boolean)
  • Optional / nullable fields
  • Nested type names

Workflow

  • Copy or download output
  • Load an example to try it
  • Validate & format the input

Worked example

A XML document and its Java equivalent:

XML input:

<product>
  <sku>A-100</sku>
  <price>19.99</price>
  <active>true</active>
</product>

Output:

public record Product(
    String sku,
    double price,
    boolean active
) {}

Sources & References

Frequently Asked Questions

How do I convert XML to Java?

Paste your XML into the editor and press "Convert to Java". The tool parses it against the W3C XML 1.0 grammar, then generates Java types following Java Language Specification conventions — instantly and entirely in your browser. You can validate or format the XML first to be sure it is clean.

How is XML structure represented in Java?

XML has no native numbers, booleans or arrays. Repeated child elements become lists in Java, attributes and element text become fields, and values stay strings unless Java coerces them — so review numeric or boolean fields after converting.

Are optional fields detected when generating Java?

Optional or nullable members in the generated Java are inferred from keys missing in some records of your XML, following Java Language Specification. Include the optional fields in your sample so they are typed correctly.

What is the difference between XML and Java?

XML (eXtensible Markup Language) (XML) — XML is a verbose, self-describing markup format used in SOAP, RSS and enterprise systems. Java classes (Java) — Java POJOs/records model structured data for the JVM. This converter maps the structure of your XML onto Java so you can use it for Spring/Jackson data binding.

Does the converter validate my XML first?

Yes. Invalid XML is flagged with a clear error before anything is converted. Common XML problems to check are matched start and end tags, a single root element, and quoted attribute values. Starting from clean input keeps the generated Java accurate.

Is my XML data private?

Yes. The entire XML-to-Java conversion runs locally in your browser in JavaScript — your XML is never uploaded, logged or stored. That matters when the data is something like SOAP web services, which should not leave your machine.

Where can I use the Java output?

The generated Java is ready for Spring/Jackson data binding, Android models and enterprise services. Copy or download it and drop it straight into your codebase.

🎓 Pro Tips

  • Tip 1: Validate or format your XML first (the Validate / Format buttons) so the converter works from clean, W3C XML 1.0-conformant input.
  • Tip 2: Give the tool a representative XML sample — optional fields are only detected from the keys actually present, so include them if they matter.
  • Tip 3: Authoritative reference for the input format: W3C XML 1.0 — https://www.w3.org/TR/xml/.
  • Tip 4: For the output, follow the Java Language Specification (https://docs.oracle.com/javase/specs/) conventions in your codebase.

There are so many useful Use Cases for Converting XML to Java Classes

1. Interfacing with Web Services and APIs

Many web services and APIs return XML responses. Converting XML data into Java classes makes it easier to work with the data in your Java application.

public class StockData {
private String symbol;
private double price;
private String currency;

public String getSymbol() { return symbol; }
public void setSymbol(String symbol) { this.symbol = symbol; }
public double getPrice() { return price; }
public void setPrice(double price) { this.price = price; }
public String getCurrency() { return currency; }
public void setCurrency(String currency) { this.currency = currency; }
}

2. Data Integration and ETL Processes

XML files are often used for transferring data between systems. Java classes allow you to easily parse and transform this data before loading it into a database or another system.

public class Employee {
private int id;
private String name;
private String role;

public int getId() { return id; }
public void setId(int id) { this.id = id; }
public String getName() { return name; }
public void setName(String name) { this.name = name; }
public String getRole() { return role; }
public void setRole(String role) { this.role = role; }
}

3. Configuration Parsing

Many applications use XML for configuration files. Converting XML into Java classes allows you to read and manipulate configuration data directly.

public class Config {
public static class Database {
    private String host;
    private int port;
    private String username;
    private String password;

    public String getHost() { return host; }
    public void setHost(String host) { this.host = host; }
    public int getPort() { return port; }
    public void setPort(int port) { this.port = port; }
    public String getUsername() { return username; }
    public void setUsername(String username) { this.username = username; }
    public String getPassword() { return password; }
    public void setPassword(String password) { this.password = password; }
}

private Database database;

public Database getDatabase() { return database; }
public void setDatabase(Database database) { this.database = database; }
}

4. Processing XML-based Data Feeds

Industries like e-commerce and media use XML for data feeds. Converting XML to Java classes allows you to easily process and update product information or other data.

public class Product {
private String id;
private String name;
private String description;
private double price;

public String getId() { return id; }
public void setId(String id) { this.id = id; }
public String getName() { return name; }
public void setName(String name) { this.name = name; }
public String getDescription() { return description; }
public void setDescription(String description) { this.description = description; }
public double getPrice() { return price; }
public void setPrice(double price) { this.price = price; }
}

5. Data Validation and Transformation

Once converted into Java classes, XML data can be easily validated, transformed, or used in business logic before being stored or transmitted.

public class Order {
private String id;
private double amount;
private String date;

public String getId() { return id; }
public void setId(String id) { this.id = id; }
public double getAmount() { return amount; }
public void setAmount(double amount) { this.amount = amount; }
public String getDate() { return date; }
public void setDate(String date) { this.date = date; }
}

6. Data Migration

During data migrations, especially from legacy systems, converting XML data to Java classes makes it easier to map, transform, and load data into new systems.

public class InventoryItem {
private String productId;
private int quantity;
private String location;

public String getProductId() { return productId; }
public void setProductId(String productId) { this.productId = productId; }
public int getQuantity() { return quantity; }
public void setQuantity(int quantity) { this.quantity = quantity; }
public String getLocation() { return location; }
public void setLocation(String location) { this.location = location; }
}

7. Interacting with External Systems using XML Protocols

XML-based protocols like SOAP require parsing and processing XML messages. Java classes simplify this process when dealing with such protocols.

public class SOAPResponse {
private String status;
private String message;

public String getStatus() { return status; }
public void setStatus(String status) { this.status = status; }
public String getMessage() { return message; }
public void setMessage(String message) { this.message = message; }
}

8. Web Scraping and XML Data Extraction

Web scraping often involves extracting data from XML-based sources like RSS feeds. You can convert this XML data to Java classes to process and display it on your platform.

public class RSSItem {
private String title;
private String link;
private String description;

public String getTitle() { return title; }
public void setTitle(String title) { this.title = title; }
public String getLink() { return link; }
public void setLink(String link) { this.link = link; }
public String getDescription() { return description; }
public void setDescription(String description) { this.description = description; }
}