Cut email testing and QA time by 50%

Get a guided check of the critical elements that affect email performance and delivery before you send.

“We’ve cut our email QA time by over 50%, giving us time to focus our efforts on segmentation and other strategic campaign development opportunities.”


ADAM MACDONALD, Director of Campaign Management, DEG, Linked by Isobar

Optimize for every subscriber and every inbox

Preview of Litmus email client testing tool to view in both mobile and desktop settings before sending.

Instantly preview your campaigns in popular email clients

Whether you are an email team of one, or a team of many, Litmus gives you the power to test and preview 100+ popular email clients—including Dark Mode—from a single spot. In seconds. Plus, get proactive recommendations based on Litmus data to ensure you’re optimizing for the most important clients and devices and leverage Email Testing Profiles to focus your testing where you need it most.

Check out all email clients available for testing →

Ensure every email is on-brand and error-free with Email Testing in Litmus

Get an automated, comprehensive QA test

Run an automated pre-send Litmus Test to check links, images, tracking, and other critical elements to optimize your email for opens and conversions. Plus, maximize the impact of every email by confirming that content is accessible to subscribers of all abilities—including those with color vision deficiency.

Automated pre-send spam testing to catch deliverability issues before you send

Ensure your email reaches the inbox—not the junk folder

Emails that don’t reach your subscribers would be such a waste. With Litmus Spam Testing, scan your email against 25+ different tests and get notified of any issues. Plus, use actionable, contextual advice to fix any problems identified.

Check out Litmus Spam Testing →

With Litmus Technology Integrations you can say goodbye to manual, time-consuming tasks so you can get more from your marketing in less time

Accelerate your email testing process with integrations

Test your email wherever you build to catch and fix any issues early in your email workflow, reducing review cycles and saving time. Review campaigns alongside your ESP or code editor with the Litmus Chrome Extension. Easily import emails to Litmus for review and final pre-send testing with ESP Sync. The result? Faster approvals, more successful deliveries, and better-than-ever conversions.

Join the 700,000+ marketers who use Litmus to build and test quality emails, maintaining a great brand and subscriber experience, every time.

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