OpenRefine

OpenRefine is a powerful, browser-based tool that transforms messy, inconsistent datasets into clean, structured information. It allows you to explore large data sets with ease, identify errors and inconsistencies, and apply powerful transformations to standardize and reconcile your data. With features like clustering to find similar entries, faceting to filter and examine subsets, and the ability to extend functionality with web services, OpenRefine makes data cleaning an intuitive and efficient process accessible directly from your web browser without complex installations.