OpenRefine

OpenRefine is a powerful tool used to clean, organize, and explore messy data. It allows users to transform and manipulate datasets—like those from spreadsheets or databases—making it easier to analyze and visualize information. With features for finding and fixing errors, removing duplicates, and standardizing formatting, OpenRefine helps ensure data accuracy. It also supports various data formats and integrates with other data sources, making it valuable for both beginners and experienced data analysts who need to manage data effectively without extensive programming knowledge.