Combine Multiple Files
Merge multiple XLSX or CSV files into a single CSV. (Headers of subsequent files are skipped).
Convert XLSX to CSV
Extract specific sheets from an Excel workbook and save them as CSV files.
Convert CSV to XLSX
Easily convert a CSV file into a proper Excel workbook.
Remove Duplicates
Clean your data by removing duplicate rows based on a specific column or the entire row.
Spreadsheet Editor
Create a new spreadsheet or edit an existing one directly in your browser.