Simple and powerful Using Mail-cat is very simple and intuitive. All the tools, settings and controls, are designed with marketers and designers in mind. Absolutely no coding knowledge required! Optimized and responsive HTML code generated by Mail-cat is optimized to look good on all* modern email clients, both standalone and web-based. Including some Outlook hacks and tricks. Utilizing best practises like tables, block display for images, responsive, alternative view, and more. With responsive mode you will be able to make collapsable columns to better layout your content on mobile. Speed up your email development. Mail-cat is an online web app that lets you convert email designs into modern, responsive and optimized HTML emails. Crop your design if needed. Cut and slice in desired spots. You can add, adjust and remove slices as you need. Every slice has its own settings. Set quality, on click link, alternative text, background, mobile visibility and more. In responsive mode you can make a responsive row which will wrap columns to look better on mobile. Furthermore you can decide to hide some slices on mobile. Select override image in settings to replace the image and keep slices within the new area. Preview and test emails No need to manually download the bundle and send emails to yourself to test it. Preview in browser or just enter desired email address and check your inbox to see how your email looks "in the wild". Mail-cat offers many more convenient features such as dark mode preview, disabled images preview, adding preheader, global workspace settings (quality, background color, etc.) and HTML inline editor!