mjml-java

Zero Dependencies

Pure Java implementation with no external runtime dependencies. Just add the JAR and go.

All 31 Components

Full support for every top-level MJML renderable component, from mj-section and mj-column to mj-accordion and mj-navbar.

Thread-Safe

Designed for concurrent use in server applications. Render multiple templates simultaneously without shared mutable state.

JPMS Module

First-class Java Platform Module System support. Works seamlessly with modular Java applications.

CSS Inliner

Built-in CSS inlining engine that handles mj-style, mj-attributes, and inline styles with proper specificity.

Custom Components

Extend the renderer with your own MJML components using a simple registration API.

Quick Start

// Add to your pom.xml
// <dependency>
//   <groupId>dev.jcputney</groupId>
//   <artifactId>mjml-java-core</artifactId>
//   <version>1.0.0-SNAPSHOT</version>
// </dependency>

import dev.jcputney.mjml.MjmlRenderer;

String mjml = """
  <mjml>
    <mj-body>
      <mj-section>
        <mj-column>
          <mj-text>Hello World!</mj-text>
        </mj-column>
      </mj-section>
    </mj-body>
  </mjml>
  """;

String html = MjmlRenderer.render(mjml).html();