Create a simple Excel spreadsheet with formatted text.

Build your own spreadsheet with custom data, headers, and formatting — then download a real .xlsx file.

Interactively format Excel cells: alignment, fonts, fills, borders, and number formats.

Interactive formula lab with multi-sheet Excel formulas.

Build and style Excel tables interactively (headers + rows).

Build chart-ready Excel data interactively.

Interactive score table with configurable conditional color rules.

Build a data-entry form with editable validation rules.

Import CSV data into a formatted Excel spreadsheet.

Add hyperlinks to Excel spreadsheets.

Protect worksheets and workbooks from unauthorized editing.

Freeze rows and columns for easier data navigation.

Build merged report layouts interactively.