Tablesmith is an innovative AI-powered tool that revolutionizes spreadsheet management by automating tasks, refining data, and sparking creativity through its autofill functionality. Unlike traditional spreadsheet editors, it operates with spreadsheets as integral parts of its input/output pipeline. Beyond mere spreadsheet capabilities, Tablesmith simplifies complex data workflows and enhances the intuitive creation of data pipelines. Its automation features encompass filtering, sorting, grouping, column addition and updates, and data extraction, allowing users to construct intricate data processes effortlessly. Leveraging AI, Tablesmith excels in data summarization, cleaning, extraction, and rapid tool creation. It supports CSV and XLSX formats for seamless data import and export, accessible across Web, iOS, macOS, and Windows platforms. Prioritizing user privacy, Tablesmith securely stores only user-specific pipelines while ensuring spreadsheet data remains solely on the user's device. Additionally, Tablesmith offers publicly available web app pipelines for collaborative editing, along with demo pipelines that exemplify its capability to efficiently organize and process data. This revised version includes SEO keywords related to AI and spreadsheet automation while maintaining clarity and relevance for users searching for such tools online.