Spreadsheet cleaning tools
High-intent tools for common export problems. Upload, review, and download — analysis is free.
CSV to Excel converter
Convert CSV to Excel (.xlsx) instantly in your browser. Free for files up to 5 MB — no signup required. Your file is not stored.
Excel cleaner
Clean Excel files in seconds. Find duplicates, empty rows, inconsistent formatting, and common data problems. Upload your XLSX and download a cleaned file.
CSV cleaner
Clean messy CSV files automatically. Find duplicates, formatting issues, empty rows, and inconsistent data, then download a ready-to-use CSV.
Remove duplicates from Excel
Find and remove duplicate rows in Excel quickly. Upload your XLSX, review the changes, and download a clean spreadsheet.
Remove duplicates from CSV
Find and remove duplicate rows in CSV files. Upload, review duplicate counts, and download a clean file ready for import.