Addy.io Gmail Helper is a free Chrome extension designed to simplify the creation of email aliases within Gmail. This tool allows users to format aliases using custom domains and prefixes effortlessly, eliminating the need for manual entry of complex alias addresses. It supports multiple prefixes and domains, making it versatile for various email needs. Users can also access their contact history to reuse previous aliases quickly, enhancing productivity and efficiency in email management.

The extension features a clean and modern interface that integrates seamlessly with Gmail. Users can easily insert formatted aliases into the To field or copy them to the clipboard using a simple keyboard shortcut. Privacy is a key focus, as all data is stored locally on the device with no external tracking or analytics involved. This makes Addy.io Gmail Helper an excellent choice for privacy-conscious individuals and those who frequently utilize email aliasing.