ClearGaps
← All SDKsSpreadsheets

Sheet

Spreadsheet engine with formulas, formatting, and data handling.

A spreadsheet engine your users already know how to use. Formulas, formatting, charts, and performance that handles real workloads.

Why choose this SDK

Familiar Interface

Users get the spreadsheet experience they expect. Cell editing, formulas, and keyboard navigation work exactly as they should.

Serious Performance

Virtualized rendering handles hundreds of thousands of rows without lag. Calculation engine runs asynchronously to keep the UI responsive.

Full Formula Engine

Over 200 built-in functions covering math, text, date, logical, lookup, and statistical operations.

Data In, Insights Out

Built-in chart generation turns cell data into bar, line, pie, and scatter visualizations without external libraries.

About

A spreadsheet SDK that gives your application a full-featured grid with formulas, cell formatting, sorting, filtering, and chart generation. Handle thousands of rows with smooth performance. Embed it anywhere or use it as the foundation for data-driven workflows.

Everything included

Features built for real workflows

Grid and Editing

  • Virtualized grid with smooth scrolling at scale
  • Cell, row, and column selection with multi-select
  • Copy, paste, and fill handle for rapid data entry
  • Cell merging and splitting across rows and columns
  • Frozen rows and columns for header pinning
  • Context menu with common operations

Formulas and Data

  • 200+ built-in formula functions
  • Cross-sheet cell references
  • Named ranges and structured references
  • Data validation rules with dropdown lists
  • Sorting and multi-level filtering
  • Conditional formatting with custom rules

Visualization and Export

  • Bar, line, pie, area, and scatter chart types
  • Chart customization with labels, legends, and colors
  • CSV and Excel file import and export
  • JSON and API data source binding
  • Print layout with page break control
  • Programmatic API for cell read and write operations

Perfect for

  • Finance tools embedding spreadsheet functionality
  • Project management apps with data grid requirements
  • Analytics dashboards with user-editable data tables

Ready to integrate Sheet?

One SDK. Full documentation. Drop it into your project and ship faster.