Spreadsheet Studio
View, edit, and export CSV and XLSX files locally.
Processed on your device. Inputs are not uploaded.Open a spreadsheet
Preview a table, rename or remove columns, then export the selected sheet.
XLSX or CSV · Up to 10 MB
Your spreadsheet never leaves your device.
How to use
Upload an XLSX or CSV file to edit previewed cells, rename or remove columns, sort rows, and export.
Example
Upload a CSV, correct a cell, rename a heading, and export the result as CSV or XLSX.
Limitations
Runs in browser memory. Limited to 10MB files. First 100 rows are previewed in the UI, but all rows are exported.
Privacy
Your input stays in browser memory while you use this page. It is not uploaded or saved. Downloads are saved only when you choose to save them.