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MJML

Free#31 of 63 in Email Design SoftwareEmail Template Software

MJML: A developer-first framework for compiling responsive email templates into HTML. Ranked #31 of 63 in Email Design Software by our editors (5.7/10); pricing: Free plan; best for developers building responsive email systems.

5.7/10Editor score
Visit MJML
MJML5.7 Visit MJML

At a glance

  • Editor score
    5.7 / 10
  • Pricing
    Free plan
  • Best for
    Developers building responsive email systems
  • Free plan
    Yes
  • Paid from
    None
  • Editor type
    Code-first
  • Founded
    2015
  • Facts checked
    20 Sep 2026
MJML screenshot

  • Where it wins

    • Free, open-source framework with broad platform coverage
    • Compiles semantic markup into responsive HTML with nested tables and inline CSS
    • Supports custom components, CLI, Node.js rendering, online editing, and REST API

  • Where it doesn't

    • Code-first workflow is less suited to fully visual email design
    • Requires compilation to produce responsive HTML output
    • Advanced extensibility is geared toward developers rather than nontechnical users

Our verdict on MJML

MJML is an open-source framework for developers who build responsive email templates. Its semantic, component-based markup abstracts complex email HTML, including nested tables, inline CSS, and client-specific responsive behavior. Standard components cover layouts, text, images, buttons, navigation, social content, carousels, and accordions. The platform is available across web, Windows, macOS, Linux, and API workflows, making it a fit for teams that want email design integrated into development processes rather than handled entirely in a visual editor.

Its strongest advantage is the range of ways to create and render templates. Developers can compile files through the command line, watch files for changes, render programmatically with Node.js, edit in a free online editor with responsive preview, or generate email content through the REST API. Integrations with Visual Studio Code, Sublime Text, and Node.js support common coding workflows. Reusable components, HTML export, code editing, custom fonts, and custom component creation extend the framework beyond a fixed library of layouts.

MJML is free and open source, and its core framework and online editor do not require a paid plan. The API is also described as free to use. That makes it a practical choice for developers building repeatable responsive email systems, especially when command-line tooling, programmatic rendering, or custom components matter. It is less suitable for teams seeking a full visual email design suite with a primarily drag-and-drop workflow. Choose MJML when control, reusable markup, and integration with code are priorities; consider an alternative when nontechnical users need to design and publish emails without a compilation-oriented process.

MJML pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on mjml.io

MJML fact sheet

Free planYes
Paid fromNone
Editor typeCode-first
Reusable content blocksYes
HTML exportYes
Custom code editingYes
Custom fontsYes
Included editor seatsNot verified
DeploymentCloud, Desktop
PlatformsWeb, Windows, macOS, Linux
SupportEmail, Community, Docs
Built forSolo, Small business, Mid-market, Enterprise (editorial estimate)
Integrations3 integrations: Visual Studio Code, Sublime Text, Node.js
PricingFree plan
Websitemjml.io
Facts checked20 Sep 2026

MJML integrations

MJML lists 3 integrations on its own site.

  • Visual Studio Code
  • Sublime Text
  • Node.js

Alternatives to MJML

See all MJML alternatives →

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Featured on iTechGuides

Featured on iTechGuides — MJML 5.7/10

MJML is listed in our Email Design Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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