Show HN: GmailClass – Chrome extension that labels Gmail emails A developer released GmailClass, a Chrome extension that adds configurable labels to emails in a Gmail inbox, with categorization powered by Jev. Users create an API key at TypeSafe and paste it into GmailClass, where the key stays in the browser, then choose categories, enable the extension and reload Gmail to see labels beside inbox emails. Labels can be assigned specific colors to signal whether an email can be deleted or should be read. Northwind Studio Invoice 1842 is ready Amount due €1,240, due Friday. The transfer reference is on the PDF cover. Northwind Studio. Invoice 1842 is ready. GmailClass adds labels to the emails in your inbox. You configure what labels these should be, and how to categorize them. Powered by Jev Mark a label with a specific color to instantly know if they can be deleted or if they should be read. You usually already have an auto-trigger on certain emails you throw away instantly. Watch a short video in which the setup and functionality gets explained. As well as how to set up the labels. Install GmailClass in your browser, then open the extension to get started. Create your API key at TypeSafe https://typesafe.ai/ and paste it into GmailClass. Your key stays in your browser. Choose your categories, enable the extension, and reload your Gmail page. Labels appear beside the emails in your inbox. You describe what matters. Jev helps GmailClass spot it in your inbox, with labels that match your categories.