Online Collaborative Spreadsheet

• Spreadsheet tool supporting Excel-like operations, formula calculations (SUM/AVERAGE/MAX/MIN/COUNT and basic math), cell editing, row/column insert & delete, and data import/export
• No installation required — ready to use for data processing, statistical analysis, and table creation

1. Open the tool page — no download or installation needed; the grid loads automatically
2. Click any cell to type directly, or enter a formula starting with = (e.g. =SUM(A1:A5)) to calculate; use the toolbar for bold, colors, alignment, and inserting or deleting rows/columns
3. Click "Open File" to import .xlsx/.csv/.json, then "Export Excel / Export JSON" to save your work locally; use the toolbar to copy, cut, and paste cells

• This tool is completely free and requires no sign-up
• Everything runs locally in your browser — your data never leaves your device

Free online spreadsheet tool supporting Excel-like operations, formula calculations, data formatting, cell editing, row/column operations, data import/export. No installation required, ready to use for data processing, statistical analysis, and table creation.

Open the tool page — no download or installation needed; the grid loads automatically Click any cell to type directly, or enter a formula starting with = (e.g. =SUM(A1:A5)) to calculate; use the toolbar for bold, colors, alignment, and inserting or deleting rows/columns Click "Open File" to import .xlsx/.csv/.json, then "Export Excel / Export JSON" to save your work locally; use the toolbar to copy, cut, and paste cells

This tool is completely free and requires no sign-up Everything runs locally in your browser — your data never leaves your device

Yes, Online Collaborative Spreadsheet is completely free. No download or installation required — it runs right in your browser.