GridCraft.

Make sense of the numbers.

Organize information in a spreadsheet workspace. Work with cells, formulas, and everyday tabular data.

Desktop browser recommended. The editor downloads on first use; loading time depends on your connection and device.

In your toolkit

Alpha. Formula and file compatibility are still evolving; verify results before relying on complex calculations.

Save or export before closing the editor.

Unmodified upstream release. Dual-licensed MIT / Apache-2.0; bundled assets retain their own licenses.