Powerful Spreadsheet Features for .NET

Everything from basic cell operations to advanced formula engines, charts, and Excel compatibility — built for professional .NET applications.

Everything you need, built in

ReoGrid ships with a comprehensive set of spreadsheet capabilities — no plugins or third-party integrations required.

High Performance

Canvas-based rendering with virtual scrolling. Handles millions of rows smoothly without sacrificing UI responsiveness.

Learn more
📐

Formula Engine

200+ Excel-compatible functions including SUM, VLOOKUP, IF, and array formulas. Cross-sheet references and named ranges supported.

Learn more
📊

Charts & Visualization

Embed bar, line, pie, scatter, and area charts directly into worksheets. Charts update automatically when data changes.

Learn more
📁

Excel Import & Export

Read and write .xlsx files with high fidelity. Preserves formatting, formulas, merged cells, charts, and named ranges.

Learn more
🎨

Cell Formatting

Complete control over fonts, colors, borders, alignment, number formats, and conditional formatting rules.

Learn more
🔲

Cell Types

Rich built-in cell types: checkbox, dropdown, date picker, progress bar, and more. Create custom cell types and renderers.

Learn more
🧊

Freeze Panes

Freeze any corner of the sheet — not just top-left. Supports multiple freeze directions for complex report layouts.

Learn more
New
🏷️

Multiple Row Headers

Multi-level column headers for complex data structures and reporting layouts.

Learn more
New
🔽

Data Filtering

Column-based data filtering with customizable conditional rules. Built-in auto-filter similar to Excel.

Learn more
🖨️

Print & Paging

Print preview, page headers/footers, custom print areas, and automatic pagination for printer-ready output.

Learn more
🖼️

Floating Objects

Add floating images, shapes, and drawing objects anywhere on the worksheet.

Learn more
🔒

Cell Protection

Password-protect individual cells, ranges, or entire worksheets. Fine-grained read/write access control.

📋

CSV Support

Import and export full or partial worksheets in CSV format.

Learn more
⚙️

Extensible API

Customize appearance, behavior, and cell types. Built-in ReoScript interpreter for end-user macro automation.

Learn more
Latest Release

What's New in ReoGrid 4

ReoGrid 4 brings major performance improvements, new cell types, conditional formatting, advanced data filtering, and WPF support enhancements.

See What's New

Built for Large-Scale Data

ReoGrid uses canvas-based rendering and smart virtualization to maintain smooth performance even with millions of cells. Memory-efficient data binding lets you load external data on demand.

1M+

cells

60 FPS

scrolling

Minimal

memory footprint

Rendering performance

Initial render (100k cells) ~120ms
Scroll (virtual) 60 FPS
Formula recalc <50ms
xlsx load (5MB) ~800ms

Benchmarks on a mid-range Windows workstation. Results vary by dataset and hardware.

Ready to integrate ReoGrid?

Start with the free community edition or explore paid editions for the latest features and support.