Spreadsheets tools
Edit XLSX and CSV spreadsheets online with formulas, multi-sheet tabs, formatting and instant export. Runs locally in your browser.
Open and edit .xlsx spreadsheets in your browser with formulas, multiple sheets and formatting. Export back to Excel.
Open CSV and TSV files in a real spreadsheet grid, edit rows and columns, then export clean CSV. Runs locally.
Convert CSV files to .xlsx spreadsheets in your browser, with column types and formatting preserved.
Open ODS files (.ods) directly in your browser. Free, private and instant — your OpenDocument spreadsheet never leaves your device.
Edit TSV files (.tsv) directly in your browser. Free, private and instant — your tab-separated file never leaves your device.
Open XLS files (.xls) directly in your browser. Free, private and instant — your legacy Excel workbook never leaves your device.