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If you're looking for MJML 3.3.X check this branch
MJMLis a markup language created by Mailjet and designed to reduce the pain of coding a responsive email. Its semantic syntax makes it easy and straightforward while its rich standard components library fastens your development time and lightens your email codebase. MJML’s open-source engine takes care of translating the
MJMLyou wrote into responsive HTML.
You can install
NPMto 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
To work on MJML, make changes and create merge requests, download and install yarn for easy development.
git clone https://github.com/mjmlio/mjml.git && cd mjml yarn yarn build
You can also run
yarn build:watchto rebuild the package as you code.
Don't want to install anything? Use the free online editor!
Applications and plugins
MJML comes with an ecosystem of tools and plugins, check out:
- The MJML App (MJML is included)
- Visual Studio Code plugin (MJML is included)
- Atom plugin (MJML needs to be installed separately)
- Sublime Text plugin (MJML needs to be installed separately)
For more tools, check the Community page.
Command line interface
Compiles the file and outputs the HTML generated in
mjml input.mjml -o output.html
You can pass optional
argumentsto the CLI and combine them.
argument description default value
mjml -m [input]
Migrates a v3 MJML file to the v4 syntax NA
mjml [input] -o [output]
Writes the output to [output] NA
mjml [input] -s
Writes the output to
mjml -w [input]
Watches the changes made to
[input](file or folder)
mjml [input] --config.beautify
Beautifies the output (
mjml [input] --config.minify
Minifies the output (
See mjml-cli documentation for more information about config options.
import mjml2html from 'mjml' /* Compile an mjml string */ const htmlOutput = 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)
You can pass optional
optionsas an object to the
option unit description default value fonts object Default fonts imported in the HTML rendered by HTML See in index.js keepComments boolean Option to keep comments in the HTML output true beautify boolean Option to beautify the HTML output false minify boolean Option to minify the HTML output false validationLevel string Available values for the validator: 'strict', 'soft', 'skip' 'soft' filePath string Path of file, used for relative paths in mj-includes '.' juicePreserveTags Preserve some tags when inlining css, see mjml-cli documentation for more info NA minifyOptions Options for html minifier, see mjml-cli documentation for more info NA mjmlConfigPath string The path or directory of the
.mjmlconfigfile (for custom components use)
useMjmlConfigOptions Allows to use the
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 wouldn't be as cool without its amazing community. Head over the Community Slack to meet fellow MJML'ers.