Spreadsheet Tools
Client-side converters and CSV utilities for Excel workbooks, delimited text and JSON tables.
Files are read locally in the browser with a 10 MB limit. Formulas, charts and workbook styling are not preserved when exporting to CSV or JSON.
Excel to CSV
Export a selected Excel sheet to CSV.
CSV to Excel
Convert CSV to an Excel XLSX workbook.
Excel to JSON
Convert a selected Excel sheet to JSON.
JSON to Excel
Convert JSON arrays and objects to an Excel table.
Merge CSV
Combine multiple CSV files into one.
Split CSV
Split a CSV into smaller files by row count.
Remove CSV Duplicates
Remove duplicate CSV rows by full row or one column.
TSV Converter
Convert between comma CSV and tab-separated TSV.