Excel Tools
Convert, merge, split, and clean Excel/CSV files privately in your browser.
Excel to CSV
Convert XLSX sheets to CSV in your browser.
CSV to Excel
Turn CSV files into downloadable XLSX workbooks.
Excel to JSON
Export spreadsheet rows as a JSON array of objects.
JSON to Excel
Paste a JSON array and download an XLSX file.
Merge Excel Files
Combine multiple Excel/CSV files into one workbook.
Split Excel Sheets
Download each worksheet as its own Excel file.
Remove Excel Duplicates
Deduplicate rows by the columns you choose.