Zapier is a workflow automation software that helps users save time by automating tedious tasks such as file management, email attachment saving, and data transfer between web apps. The platform offers pre-made workflows called Zaps that can be customized to fit individual needs. Zapier integrates with thousands of apps, allowing users to automate almost any task at work. By using Zapier, users can reduce manual tasks, increase productivity, and focus on more important aspects of their work or personal life.