MJML

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

MJML is ranked #6 of 62 in email design software on Inferse. It runs on API, Browser extension, Linux, macOS, Web, Windows. There is a free plan.

Compared on email design software

Free plan: Yesmjml.io
Editor type: code-firstmjml.io
Reusable content blocks: Yesmjml.io
HTML export: Yesmjml.io
Custom code editing: Yesmjml.io
Custom fonts: Yesmjml.io

Facts

Purpose: MJML is a markup language designed to reduce the difficulty of coding responsive email.documentation.mjml.io · 30 Sept 2026
Output: The MJML engine transpiles MJML markup into responsive email HTML with nested tables and inline CSS.mjml.io · 30 Sept 2026
Responsive design: MJML is responsive by design on popular email clients, including Outlook.mjml.io · 30 Sept 2026
Components: MJML provides reusable, extensible components and lets users build custom components.mjml.io · 30 Sept 2026
Open source: MJML is open source under the MIT license.mjml.io · 30 Sept 2026
Online editor: MJML provides a free online editor for writing and rendering MJML.documentation.mjml.io · 30 Sept 2026
Local installation: MJML can be installed with npm on OSX, Linux, and Windows.mjml.io · 30 Sept 2026
Command line: The CLI can compile files, watch for changes, and write generated HTML to a chosen file.mjml.io · 30 Sept 2026
Editor plugins: MJML offers plugins for Visual Studio Code and Sublime Text, plus a desktop app.mjml.io · 30 Sept 2026
API: The MJML REST API is free to use and renders MJML into responsive HTML.mjml.io · 30 Sept 2026
API authentication: Each API account receives one Application ID and two API keys, with public and secret keys intended for browser and back-end use respectively.mjml.io · 30 Sept 2026
Security: MJML ignores includes by default and restricts enabled include paths to approved roots with canonical boundary checks.documentation.mjml.io · 30 Sept 2026
Integrations: The documented ecosystem includes Mailjet, Parcel, IntelliJ IDEA, Gradle, Neos CMS, and Easy-email.documentation.mjml.io · 30 Sept 2026
Support: MJML invites users to contact [email protected] and participate through Slack and GitHub.mjml.io · 30 Sept 2026
Sending limitation: After rendering MJML to HTML, users must send the result through an email service provider or directly from a shell.mjml.io · 30 Sept 2026
Client limitation: The mj-button component is not fully clickable because of email-client support.documentation.mjml.io · 30 Sept 2026