The tutorial provides a step-by-step guide on how to zip files in Go programming language using the standard library. It covers setting up Dropbox and Twilio accounts, installing required dependencies, creating a main function that orchestrates the entire process, and serving as an HTML file used as the user interface. The application compresses uploaded files into a ZIP archive, uploads them to Dropbox, generates a temporary download link, and sends it to a predefined phone number via SMS using Twilio.