Testi.at is an innovative email testing service, with company based in London and run by Dawid Janiak. The testing tool enables you to test and correct your HTML email designs before you send an email campaign. It provides previews of how your email will finally look when received on the many devices with all commonly-used email client software.

This is a necessary tool since the standards for email design are much less universal and rigorous than for web pages. ( see related article at https://www.amazingwebdesign.co.uk/email-marketing/ )

Testi is flexible, can be used 'pay as you go' at about £16 per month, and provides previews for emails on over 90 email client platforms.

We have tested and used the service, it does the job well, and in our view is more cost-effective than other more well-known and promoted services.

We particularly liked the easy-to-use interface, the quick ability to choose, save and recall any preferred subset of email clients/devices, and the straightforward 'drag and drop' way HTML email code is added to any project.