Litmus for Designers

The quickest way to design, code, and test your ideas across 90+ apps and devices

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Build the perfect email

Build your email in our web-based editor and get instant previews in over 90+ 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.

Preview in 90+ email clients

Instantly see how your email displays in over 90+ apps and devices.

See code changes in real time

Every change you make updates your previews across all clients and devices.

Design with purpose

Focus your design and testing efforts in the apps your subscribers use most.

Spend more time innovating

Learn how designers integrate Litmus with their existing workflows.

Reduce manual errors

Upload code from popular cloud storage solutions and sync with your ESP to avoid copy and paste errors. Plus utilize reusable code snippets and autocompletion support for CSS to increase productivity.

Thoroughly test and review every email

See instant previews in 90+ apps and devices. Catch broken links and images and ensure the best user experience for subscribers with visual or auditory impairments.

Coupon Sale
Event Invitation

Save time with fully customizable templates

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

Cut review cycles and production times

Quickly get centralized feedback and approval on your designs.

Track subscriber engagement

Intuitively create email tracking codes with custom parameters and see which email clients your subscribers use to better inform design decisions.