About Us

Inbox inspector - test and optimize your email display for free.

Inbox Inspector is a free testing tool delivered to you by the developers of GetResponse Email Marketing.

Inbox Inspector supports email marketers with real-time email previews in all popular email clients. It provides email previews in more than 25 most-used email clients: standalone desktop clients, webmail and mobile apps, all in one place.

It offers preview for messages created with every email builder and is a perfect complementary solution to any email marketing software.

For more tools that will guarantee your email campaigns' success such as mobile-ready templates, autoresponders, A/B testing, form builder and more, try out GetResponse. Start your free trial today.