Litmus Builder

Easily create, edit, and navigate your code, streamlining your email development workflow.

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Build the perfect email

Build better emails faster with Litmus Builder, the web-based editor built specifically for email.

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Preview your email as you code

Get previews of your email in popular email clients while you're building. Every change you make updates your previews in real time, so you can build, test, and troubleshoot your email campaigns faster than ever before.

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Increase productivity and reduce manual errors

Import HTML code directly from Dropbox, Google Drive, or OneDrive in a single click. Plus, utilize reusable code snippets, autocompletion support for CSS and images, pre-tested templates, and connections with email service providers to speed production, reduce errors, and ensure brand consistency.

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Collaborate on email campaigns

Invite all stakeholders to collaborate on your campaign. Easily share your email with the click of a button, plus utilize timeline and push functionality to keep track of every change and ensure your team is always on the same page.

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Easily navigate your code

Navigate your code faster than ever before with grid view. Just click on any HTML element in the preview pane and land on that element directly within the code editor. Plus, with a simple hover you can view the dimensions of specific elements in your email.

Integrate Builder with your email service provider

Getting your email from your code editor into your email service provider (ESP) has always been a hassle. It’s time to say goodbye to that manual copy and paste process.

With ESP Syncing, you can automatically sync your code from Builder to your ESP with a click of a button. Once connected, whenever you make any changes to your code in Builder, it automatically updates in your ESP, too.

ESP Syncing is available for:

  • Mailchimp
  • Campaign Monitor
  • Salesforce Marketing Cloud (formerly ExactTarget)
  • Eloqua
  • IBM Watson Campaign Automation (formerly Silverpop)
  • Marketo

Cut your development time in half

Built by email professionals for email professionals, Litmus Builder helps you streamline your email design and development workflow.

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CSS inlining

Inline your email’s CSS with a simple toggle and style your emails faster and easier than ever before.

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Snippets and partials

Avoid repeating yourself by creating reusable blocks of code that you can utilize across multiple campaigns.

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Cloud storage integrations

Avoid copy and paste errors by directly importing your code into Builder from Dropbox, Google Drive, or OneDrive.

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Code Analysis

Identify HTML and CSS issues and troubleshoot your emails in specific email clients.

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Subject Line Checker

Preview your from name, subject line, and preview text in real time in over 15 popular email clients.

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HTML file display sizes

Get insights on both the compiled and original HTML file display size. Discover if you’re under Gmail’s 102KB display limit.

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Tracking Manager

Easily add tracking codes to links in your email. Simply input your tracking code, and select which links in the email you’d like to apply it to.

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Processed HTML support

See what each email client actually processed your email markup into, making it easier than ever to pinpoint and diagnose rendering issues.

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Sharing + sending test emails

Create a public version of your email to share with others—or send a test email directly from Builder.

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View your entire email’s history. See who made changes and when, and easily restore any version at any time.

One seamless view

Build, edit, review, and analyze in one seamless view

Once you're happy with your email in Builder, push your code to our other tools to loop in the rest of your team for feedback, approvals, and post-send reporting.

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Builder for Designers

Cut your email development time in half.

Preview your emails as you code—and build, test, and troubleshoot your emails in record time.

Utilize quality email templates

Browse our gallery of pre-tested templates that look great and work everywhere.

Automate time-consuming tasks

Easily automate mundane email design tasks like CSS inlining or sending test emails.

Litmus for Designers
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Builder for Marketers

Send emails that look great everywhere

Preview your email in popular apps and devices before you send, reduce errors, and maintain brand consistency

Utilize quality email templates

Browse our gallery of pre-tested templates that look great and work everywhere.

Gain valuable email performance insights

Get an aggregated view of email performance to help identify trends across successful campaigns so you can optimize future emails and inform your marketing mix.

Litmus for Marketers

Builder for Agencies

Keep email marketing projects on track

Save project time and cost by having each of your design and development teams testing and iterating on real email clients, right in Litmus Builder.

Utilize quality email templates

Create consistent templates and branding across your team with a template library and code snippets that can be shared across your development teams.

Share projects internally

Use Builder’s built-in sharing features to share projects with your internal teams and your clients for review and feedback.

Litmus for Agencies