更智慧的 Excel 資料清理與轉換方法：5 種實證技巧

Your data cleanup tool for formatting and cleaning Excel spreadsheet tables or CSV files in just a few minutes, with no sign-up required! Get structured and error-free tables, ready for data analysis.

學習5種經過驗證的Excel數據清理與轉換方法，從手動技巧到自動化腳本，再到Excelmatic人工智慧驅動的即時無誤數據準備方案。

This tool is designed to reduce the size and speed up Excel workbooks. It will only work with the new XML file formats (XLSX and XLSM files). It cleans the files by reducing the number of styles in use and the number of activated cells. See the following

Identifies areas in Excel workbooks that use lots of memory and describes how you can make your workbook files work more efficiently.

Upload your Excel spreadsheet and click on "CLEAR" button. You will get the file with cleared results as soon as the operation is performed. Works from all platforms including Windows, Mac, Android and iOS. All files are processed on our servers

Clean CSV/Excel files online for free. Remove duplicates, fix formats, and process data 100% in your browser - no uploads needed.

Free online Excel data cleaner: Remove duplicates, trim spaces, format text, handle empty cells, clean numbers, and standardize dates. Process Excel files securely in your browser.