Huge data, smooth scrollRow and column virtualization: 100 000 rows open in under half a second and scroll at 60 fps.
Feels like a spreadsheetRanges, copy and paste with Excel, fill handle series, undo and redo, find and replace, comments.
137 Excel functionsCalculated columns, cell formulas, footers and structured references like =[@qty]*[@price].
Filters people understandExcel AutoFilter, search, and a visual query builder that writes MongoDB-style JSON.
Group and analyzeCollapsible groups with subtotals, data bars, color scales, icon sets and sparklines.
Real import and exportCSV and XLSX in both directions, without dependencies, formulas kept as Excel formulas.
Live server dataInfinite scroll over fetch or WebSocket, and Server-Sent Events loading 100 000 rows in blocks.
Forms-ready change trackingInserted, updated and deleted rows as JSON, history, accept and discard.
Typed, themable, translatedTypeScript, components for React, Vue, Svelte and Angular, CSS variables with dark mode, English and Portuguese.
