mjml vs mjml-cli vs mjml-core vs mjml-react
Email Template Frameworks
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Email Template Frameworks

MJML is a markup language designed to reduce the pain of coding responsive email. It abstracts the complexities of email client compatibility and provides a straightforward way to create responsive email templates. The MJML ecosystem consists of several packages that cater to different needs, from rendering MJML to HTML to integrating with React applications, making it versatile for various development workflows.

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mjml018,05215 kB692 days agoMIT
mjml-cli018,05232.2 kB692 days agoMIT
mjml-core018,05287.8 kB692 days agoMIT
mjml-react01,000267 kB3-MIT

Feature Comparison: mjml vs mjml-cli vs mjml-core vs mjml-react

Rendering Method

  • mjml:

    MJML provides a straightforward way to write responsive email templates using a markup language that is easy to understand and use. It compiles into HTML that is optimized for various email clients, ensuring compatibility and responsiveness.

  • mjml-cli:

    MJML-CLI allows you to compile MJML files into HTML via the command line, making it suitable for batch processing and automation in build scripts. This is particularly useful for developers who prefer command-line tools for efficiency.

  • mjml-core:

    MJML-Core enables developers to use MJML rendering capabilities programmatically within JavaScript applications. This allows for dynamic email generation based on application state or user data, providing flexibility in email content creation.

  • mjml-react:

    MJML-React integrates MJML directly into React components, allowing developers to use MJML syntax within their JSX. This promotes a seamless development experience for React applications, enabling the use of responsive email templates as part of the component architecture.

Integration

  • mjml:

    MJML can be integrated into any web project, allowing developers to create responsive email templates without worrying about the underlying HTML structure. It is a standalone solution that can be used in various environments.

  • mjml-cli:

    MJML-CLI is designed for integration with build tools and CI/CD pipelines, allowing for automated email template compilation as part of the deployment process. This makes it easier to manage email templates in larger projects.

  • mjml-core:

    MJML-Core is suitable for developers looking to integrate MJML rendering directly into their applications, providing a way to generate email content dynamically based on application logic.

  • mjml-react:

    MJML-React is specifically designed for React applications, allowing developers to use MJML components as part of their React component tree. This makes it easy to manage email templates alongside other UI components.

Ease of Use

  • mjml:

    MJML's syntax is designed to be intuitive and easy to learn, making it accessible for developers who may not be experts in HTML and CSS. This lowers the barrier to entry for creating responsive emails.

  • mjml-cli:

    MJML-CLI is easy to use for those familiar with command-line tools. It provides a simple interface for compiling MJML files, making it straightforward to integrate into existing workflows.

  • mjml-core:

    MJML-Core requires some understanding of JavaScript, but it offers powerful capabilities for programmatic email generation. It is suitable for developers comfortable with coding in JavaScript.

  • mjml-react:

    MJML-React leverages the familiar React component model, making it easy for React developers to adopt MJML without learning a new syntax. This enhances productivity and reduces the learning curve.

Community and Support

  • mjml:

    MJML has an active community and extensive documentation, making it easy to find resources and support. This is beneficial for developers looking for help or examples when creating email templates.

  • mjml-cli:

    As part of the MJML ecosystem, MJML-CLI benefits from the same community support and documentation, ensuring that users can find help when needed.

  • mjml-core:

    MJML-Core is well-documented, and its integration into JavaScript applications is supported by a growing community. Developers can find examples and use cases to guide their implementation.

  • mjml-react:

    MJML-React is supported by the React community, and developers can find numerous resources on integrating MJML with React. This enhances the overall support available for using MJML in React applications.

Performance

  • mjml:

    MJML compiles templates into optimized HTML, which is crucial for email performance. The resulting HTML is designed to minimize rendering issues across various email clients, ensuring a smooth user experience.

  • mjml-cli:

    Using MJML-CLI can improve performance in build processes by allowing batch compilation of MJML files, reducing the time spent on manual compilation and ensuring consistency across email templates.

  • mjml-core:

    MJML-Core allows for efficient email generation in applications, as it can render templates on-the-fly based on user data or application state, optimizing the performance of dynamic email content.

  • mjml-react:

    MJML-React ensures that email templates are rendered efficiently within React applications, leveraging React's rendering optimizations to minimize performance overhead when generating email content.

How to Choose: mjml vs mjml-cli vs mjml-core vs mjml-react

  • mjml:

    Choose MJML if you want a simple way to write responsive email templates using a declarative syntax. It is ideal for developers who prefer a markup language over raw HTML and CSS.

  • mjml-cli:

    Choose MJML-CLI if you need a command-line interface to compile MJML files into HTML. This is useful for automation in build processes or when integrating MJML into CI/CD pipelines.

  • mjml-core:

    Choose MJML-Core if you want to integrate MJML rendering capabilities directly into your JavaScript applications. It allows for programmatic access to MJML's features without relying on a command line.

  • mjml-react:

    Choose MJML-React if you are building a React application and want to render MJML components directly within your React components. This is beneficial for maintaining a consistent component structure and leveraging React's ecosystem.

Similar Npm Packages to mjml

mjml is a markup language designed specifically for creating responsive email templates. It simplifies the process of writing HTML for emails by allowing developers to use a more intuitive syntax that automatically generates responsive HTML code. This is particularly useful given the various email clients and their differing support for CSS and HTML features. With mjml, developers can focus on the design of the email rather than the intricacies of responsive design, making it a popular choice for email marketing and communication.

However, there are other templating engines that can also be used for generating dynamic content in web applications. Here are a few alternatives:

  • ejs (Embedded JavaScript) is a simple templating language that lets you generate HTML markup with plain JavaScript. It allows you to embed JavaScript logic directly within your templates, making it a flexible option for rendering dynamic content. EJS is widely used in Node.js applications and is suitable for generating HTML pages, but it does not specifically cater to email templates like mjml does.
  • handlebars is another popular templating engine that builds on the Mustache template language. It provides a more powerful and expressive syntax for creating templates, allowing for features like helpers and partials. Handlebars is great for generating HTML content dynamically, but like EJS, it is not specifically tailored for email templates, which may require additional considerations for responsiveness and compatibility.
  • pug (formerly known as Jade) is a high-performance templating engine that uses a clean and minimalistic syntax to create HTML. Pug allows for easy indentation-based syntax, which can make templates more readable and maintainable. While it is a powerful tool for generating HTML, it does not focus on email-specific requirements like mjml does.

To see how mjml compares with ejs, handlebars, and pug, check out the comparison: Comparing ejs vs handlebars vs mjml vs pug.

Similar Npm Packages to mjml-cli

mjml-cli is a command-line interface for MJML, a markup language designed to simplify the process of creating responsive email templates. With mjml-cli, developers can easily convert MJML code into HTML, making it a valuable tool for those looking to streamline their email development workflow. While mjml-cli is a powerful tool for working with MJML, there are other related packages in the ecosystem that offer different functionalities. Here are a few alternatives:

  • mjml is the core library behind MJML, providing the functionality to convert MJML markup into responsive HTML. This package is essential for anyone looking to work with MJML in their projects. It allows developers to write cleaner and more maintainable email templates while ensuring that the resulting HTML is compatible with various email clients. If you are looking to integrate MJML into your application programmatically, using the mjml package directly is the way to go.
  • mjml-core is a more focused version of the MJML library that provides the core functionality without the additional features that come with the full mjml package. It is ideal for developers who want to use MJML in a more lightweight manner or who need to integrate it into a larger application without the overhead of unnecessary features. If you are looking for a minimalistic approach to using MJML, mjml-core is a suitable option.
  • mjml-react is a React component library that allows developers to use MJML components directly within their React applications. This package is particularly useful for React developers who want to leverage the simplicity of MJML while maintaining the benefits of React's component-based architecture. If you are building a React application and want to create email templates using MJML, mjml-react provides a seamless integration.

To see how mjml-cli compares with mjml, mjml-core, and mjml-react, check out the comparison: Comparing mjml vs mjml-cli vs mjml-core vs mjml-react.

Similar Npm Packages to mjml-core

mjml-core is a powerful library designed for creating responsive email templates using MJML (Mailjet Markup Language). It provides the core functionality for rendering MJML into HTML, making it easier for developers to build emails that look great on any device. While mjml-core is a robust option for email template rendering, there are several alternatives in the MJML ecosystem that cater to different use cases. Here are a few notable alternatives:

  • mjml is the main MJML library that includes both the core rendering capabilities and additional features for building responsive email templates. It provides a comprehensive set of components and a user-friendly syntax, allowing developers to create complex email layouts with ease. If you are looking for a complete solution that includes both rendering and a rich set of components, mjml is the ideal choice.
  • mjml-cli is a command-line interface for MJML that allows developers to convert MJML files into HTML directly from the terminal. This tool is particularly useful for automating the email template generation process in build scripts or CI/CD pipelines. If you prefer working from the command line and want to integrate MJML rendering into your workflow, mjml-cli is a convenient option.
  • mjml-react is a library that allows developers to use MJML components as React components. This integration makes it easier to build dynamic and reusable email templates within React applications. If you are developing a React application and want to leverage MJML's capabilities while maintaining a React-friendly syntax, mjml-react is the perfect solution.

To explore how mjml-core compares with mjml, mjml-cli, and mjml-react, check out the comparison: Comparing mjml vs mjml-cli vs mjml-core vs mjml-react.

Similar Npm Packages to mjml-react

mjml-react is a React component library that allows developers to create responsive email templates using MJML (Mailjet Markup Language). This library provides a way to write MJML code directly within React components, making it easier to manage and render email templates in a React application. With mjml-react, developers can leverage the power of MJML's responsive design capabilities while maintaining the familiar React syntax.

While mjml-react is a great option for integrating MJML with React, there are other MJML-related packages that serve different purposes. Here are a few alternatives:

  • mjml is the core MJML library that allows developers to write responsive email templates using MJML syntax. It provides a command-line interface and can be used in various environments, including Node.js and browser-based applications. If you're looking for a straightforward way to generate responsive email templates without the React integration, the mjml library is an excellent choice.
  • mjml-cli is the command-line interface for MJML, enabling developers to convert MJML files into HTML directly from the terminal. This tool is useful for developers who prefer working with MJML files in a more traditional development workflow, allowing them to compile MJML templates into HTML without needing to integrate it into a React application.
  • mjml-core is the core engine of MJML that provides the functionality to parse and render MJML into HTML. This package is typically used as a dependency for other MJML-related libraries and tools. If you are building a custom solution that requires low-level access to MJML's rendering capabilities, mjml-core is the package to consider.

For a comprehensive comparison of these packages, check out the following link: Comparing mjml vs mjml-cli vs mjml-core vs mjml-react.

README for mjml

Developed by

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| Introduction | Installation | Usage |

Introduction

MJML is a markup language created by Mailjet and designed to reduce the pain of coding a responsive email. Its semantic syntax makes the language easy and straightforward while its rich standard components library shortens your development time and lightens your email codebase. MJML’s open-source engine takes care of translating the MJML you wrote into responsive HTML.

Installation

You can install MJML with NPM to use it with NodeJS or the Command Line Interface. If you're not sure what those are, head over to Usage for other ways to use MJML.

npm install mjml

Usage

Online

Don't want to install anything? Use the free online editor!

try it live

Applications and plugins

MJML comes with tools and plugins, check out:

For more tools, check the Community page.

Command line interface

Compiles the file and outputs the HTML generated in output.html

mjml input.mjml -o output.html

You can pass optional arguments to the CLI and combine them.

argumentdescriptiondefault value
mjml [input] -o [output]Writes the output to [output]
mjml [input] -sWrites the output to stdout
mjml [input] -s --noStdoutFileCommentWrites the output to stdout without file comment in the first line
mjml -w [input]Watches the changes made to [input] (file or folder)
mjml [input] --config.allowIncludesEnables mj-include processing (true or false)false
mjml [input] --config.allowMixedSyntaxAllows mixing block and CSS variable syntax when sanitizeStyles is enabled (true or false)false
mjml [input] --config.beautifyBeautifies the output (true or false)true
mjml [input] --config.includePathAdds allowlisted include root(s), as a string path or JSON array of paths
mjml [input] --config.minifyMinifies the output (true or false)false
mjml [input] --config.minifyOptionsOptions for HTML minifier, use minifyCss to control CSS minificationSee mjml-cli documentation
mjml [input] --config.juicePreserveTagsPreserve some tags when inlining CSSSee mjml-cli documentation
mjml [input] --config.mjmlConfigPathPath to .mjmlconfig file for custom componentscurrent working directory
mjml [input] --config.sanitizeStylesSanitizes template variables inside CSS before minification (true or false)false
mjml [input] --config.useMjmlConfigOptionsAllows to use the options attribute from .mjmlconfig filefalse
mjml [input] --config.templateSyntaxSets custom template delimiters as JSON array ([{"prefix":"{{","suffix":"}}"}])[{"prefix":"{{","suffix":"}}"},{"prefix":"[[","suffix":"]]"}]

See mjml-cli documentation for more information about config options.

Inside Node.js

import mjml2html from 'mjml'

/*
  Compile an mjml string
*/
async function renderMjml() {
  const htmlOutput = await mjml2html(`
    <mjml>
      <mj-body>
        <mj-section>
          <mj-column>
            <mj-text>
              Hello World!
            </mj-text>
          </mj-column>
        </mj-section>
      </mj-body>
    </mjml>
  `, options)

  /*
    Print the responsive HTML generated and MJML errors if any
  */
  console.log(htmlOutput)
}

renderMjml()

You can pass optional options as an object to the mjml2html function:

optionunitdescriptiondefault value
allowMixedSyntaxbooleanAllows mixed block/value/property template syntaxes during CSS sanitizationfalse
beautifybooleanOption to beautify the HTML outputfalse
filePathstringPath of file, used for relative paths in mj-include instances.
fontsobjectDefault fonts imported in the HTML rendered by MJMLSee in index.js
ignoreIncludesbooleanOption to ignore mj-include instancestrue
includePathstring or string[]Additional allowlisted include root(s), used when ignoreIncludes is false
juicePreserveTagsobjectPreserve some tags when inlining CSS, see documentation for more info
keepCommentsbooleanOption to keep comments in the HTML outputtrue
minifybooleanOption to minify the HTML outputfalse
minifyOptionsobjectOptions for htmlnano minification (including minifyCss), see documentation for more info
mjmlConfigPathstringThe path or directory of the .mjmlconfig file (for custom components use)process.cwd()
preprocessorsarray of functionsPreprocessors applied to the xml before parsing. Input must be xml, not json. Functions must be (xml: string) => string[]
sanitizeStylesbooleanSanitizes template variables in CSS before minificationfalse
templateSyntaxarray of objectsCustom template delimiters used by sanitization ([{ prefix, suffix }])[{"prefix":"{{","suffix":"}}"},{"prefix":"[[","suffix":"]]"}]
useMjmlConfigOptionsbooleanAllows to use the options attribute from .mjmlconfig filefalse
validationLevelstringAvailable values for the validator: strict, soft, skipsoft.

Client-side (in browser)

var mjml2html = require('mjml-browser')

/*
  Compile a mjml string
*/
mjml2html(`
  <mjml>
    <mj-body>
      <mj-section>
        <mj-column>
          <mj-text>
            Hello World!
          </mj-text>
        </mj-column>
      </mj-section>
    </mj-body>
  </mjml>
`, options).then(function (htmlOutput) {
  /*
    Print the responsive HTML generated and MJML errors if any
  */
  console.log(htmlOutput)
})

API

A free-to-use MJML API is available to make it easy to integrate MJML in your application. Head over here to learn more about the API.

MJML Slack

MJML wouldn't be as cool without its amazing community. Head over the Community Slack to meet fellow MJML'ers.

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