Instantly see the impact of edits

Get instant previews in 40+ programs and apps as you build and make changes to your email.

Responsive views

Preview your email in mobile and desktop environments simultaneously to create a subscriber-friendly experience.

Troubleshoot in real time

Apply and view HTML changes immediately in trouble-prone clients like Outlook, Lotus Notes, and Gmail.

Streamline your build process

Spend less time fixing problems and more time creating new possibilities with email.