Total Webmail Converter is a software application that allows users to convert their webmail emails to various formats, including PDF, DOC, TXT, HTML, TIFF, and JPEG. The software supports conversion of emails from Gmail, Yahoo, and other webmail services. It also offers options to save attachments separately and to merge all emails into a single PDF or TIFF file. Additionally, the software provides users with the ability to filter and select specific emails for conversion.