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Quick Answer

Our free MJML email editor lets you create responsive HTML email templates that work in all email clients. Write MJML code with live preview and export production-ready HTML with no installation required.

How It Works

Write or paste your MJML code

See the live email preview

Test with different preview sizes

Export HTML for your email campaigns

Key Facts

Write responsive emails with MJML syntax
Live preview as you type
Export production-ready HTML
Works with Gmail, Outlook, Apple Mail
Starter templates included
No installation required

Frequently Asked Questions

What is MJML?

MJML (Mailjet Markup Language) is a framework that simplifies creating responsive email templates. It handles the complex table-based HTML required for email client compatibility.

Will my emails work in Outlook?

Yes, MJML generates HTML that is tested and compatible with all major email clients including Outlook, Gmail, Apple Mail, and mobile email apps.

Can I use custom CSS?

Yes, MJML supports inline styles and custom CSS classes. Styles are automatically inlined in the exported HTML for email client compatibility.

How do I add images?

Use the <mj-image> component with a URL to your image. Images should be hosted on a public URL accessible to email recipients.