New: Interactive Testing
Available nowhere else. Go beyond just screenshots and interact with real email clients, previewing your emails in real-time.
Email testing
Preview your email on 30+ email clients and mobile devices.
Spam filter tests
Avoid spam filters and arrive in the inbox every time.
Email analytics
Data you’ve never had. See how and where your email was read.
“Litmus have created an amazing product. It should be part of every marketer’s toolkit.”
—Dave Greiner, Campaign Monitor
“Litmus is untouchable. I've never used anything that comes close.”
—Scott Schwartz
Works with any email provider
Litmus is the perfect complement to your email marketing program. As an independent company, our email testing tools are compatible with any email provider, so there's no need to switch.
Over 100 million tests
In the past five years we've generated more than 100 million email test previews for customers around the world.
Trusted by
...along with 100,000 other email marketers, designers and agencies worldwide.
Litmus is hiring! We're looking for engineers and designers to join our growing team. See all open positions →