In-browser · Private · CSV-friendly
Start with a blank spreadsheet or open a CSV file. Saving to CSV is also easy. Build formulas without leaving your browser. The first row stays frozen so your column labels are always visible.
Uses on-device processing for privacy & snappy performance.
Just type =SUM, =AVERAGE, =MAX, =MIN, =IF, or =CONCATENATE directly to use familiar functions.
The top row stays frozen so you can keep your headers in view while you scroll.
Click, drag, sort, and move between cells with mouse and keyboard controls that feel light and responsive.