Data Cleaner · 表格清洗
Drop a messy CSV or Excel file and get a clean one. It finds empty rows, duplicates, extra spaces, mixed date formats and more, shows you every change before applying it, and never invents data.
上传杂乱的 CSV / Excel，自动找出空行、重复行、多余空格、日期格式混乱等问题；每一处改动都先给你看、你确认了才改，绝不凭空编造数据。