What it can do for your business

Build your email in our web-based editor and get instant previews in over 50+ email clients as you go. Every change you make updates your previews in real time, so you can build, test, and troubleshoot faster than ever before. See instant previews, easily navigate your code with grid view, and speed up your email production process.

See real-time code changes

Every change updates your previews in real time. No more switching between your code editor and ESP or manually check multiple devices every time you make a change to your email.

Instant previews

Get instant previews of your email in 50+ email clients as you're building. See your design in both mobile and desktop dimensions, ensuring compatibility across environments.


Build your email from scratch, or create your own template. You can also choose from one of our pre-tested and customizable templates that work everywhere.

Essential information

  • Grid view: Easily navigate your code—click on any HTML element in the preview pane and land on that element directly within the code editor.
  • CSS Inlining: Automatically inline your email’s CSS with a simple toggle and style your emails faster and easier than ever before.
  • Snippets: Avoid repeating yourself by creating reusable snippets for commonly used elements, like bulletproof buttons and preheader text.
  • Responsive views: Ensure that your email is easy to interact with in all environments by viewing it in both mobile and desktop.
Litmus Builder streamlines your email building process with instant previews, allowing your team to design, test, and edit in real time.

Company information

Litmus Builder

Provided by Litmus

Litmus Builder