Zapier is a workflow automation tool that connects business-critical tools to streamline processes and scale marketing efforts. It integrates with thousands of apps, including Google, Salesforce, and Microsoft, allowing users to automate tasks such as data entry, lead management, and customer profile updates across multiple apps. By leveraging Zapier's automated workflows, known as Zaps, users can reduce manual data entry, minimize human error, and save time for more important tasks. The tool also offers webhooks, forms, and spreadsheet integration options to capture client information from niche tools or centralize data in a single source of truth.