Free .NET Excel API - Developing Excel in C#, VB.NET, ASP.NET

Completely Free. NET Excel API

Free Spire.XLS for .NET is a Community Edition of the Spire.XLS for .NET, which is a totally free Excel API for commercial and personal use. As a standalone .NET library, Free Spire.XLS for .NET enables developers to create, manage and manipulate Excel files on any .NET(C#, VB.NET, ASP.NET, .NET Core) applications.

Free Spire.XLS for .NET is a standalone Excel .NET library and does not depend on Microsoft Office Excel. It supports both for the old Excel 97-2003 format (.xls) and for the new Excel 2007, Excel 2010, Excel 2013, Excel 2016 and Excel 2019 (.xlsx, .xlsm).

Friendly Reminder:
Free version is limited to 5 sheets per workbook and 200 rows per sheet. This limitation is enforced during reading or writing XLS or PDF files. From Free Spire.XLS v7.8, there is no any limitation when loading and saving .xlsx file format. When converting Excel files to other formats, such as PDF/XPS/Images, you can only get the first 3 pages of PDF/XPS/Images. Upgrade to Commercial Edition of Spire.XLS

Pro Edition $999

Spire.XLS Pro Edition supports converting files from Excel to PDF, HTML, Excel to CSV, Excel to Text, Excel to Image and Excel to XML(the Excel can be either .XLS or .XLSX) and it is included in Spire.XLS Pack.

Standard Edition $799

Spire.XLS for .NET Standard Edition only can be used for .NET and doesn't support print and conversion function.

Free Edition $0

Free version is limited to 5 sheets per workbook and 200 rows per sheet. It doesn't support the print function. When converting Excel files to other formats, such as you can only get the first 3 pages of PDF/XPS, and you can only convert first 3 sheets to Images.

.NET

Standalone .NET API
100% independent .NET Excel class library which doesn't require Microsoft Office to be installed on system.
.NET Framework .NET CORE Microsoft Azure Xamarin

Excel
Version

Excel 97-2003
Excel 2007
Excel 2010
Excel 2013
Excel 2016
Excel 2019
OpenOffice

Operation

	Import and Export data Reports Manage Comments
	Work with Pivot table Work with Excel Charts
	Images and shapes Find Replace Highlight
	Manage Hyperlinks Print Header and Footer
	Text and Image watermark Conditional Formatting
	Excel Formula Set auto-filters & page breaks
	Merge Split Cells and files Protect, Encrypt, Decrypt

Conversion

TEXT	PostScript

XPS

CSV

SVG

HTML

PDF

XLsx,XLSM,XLSB,ODS

Image

XML

Excel

PNG

BMP

JPEG

EMF

TIFF

Chart

Only Free Spire.XLS, No Microsoft Office Automation Free Spire.XLS for .NET is a 100% standalone Excel .NET library without requiring Microsoft Excel or Microsoft Office to be installed on the system.				Powerful & High Quality Excel File Conversion Free Spire.XLS for .NET has powerful conversion ability and it enables converting Excel files to most common and popular formats. Convert Excel to XML Convert Excel to Text Convert Excel to PDF Convert Excel to Image				Create Excel Report from Comprehensive Workbook Designer Free Spire.XLS for .NET enables developers to generate Excel workbook from scratch, or load a workbook from either folder or file stream. Developers can also save it to file, file stream or web response. Free Spire.XLS for .NET offers a wide range of security features including Excel encryption/decryption, cells hide/unhide, and worksheets lock/unlock.
Freely operate worksheet Free Spire.XLS for .NET enables developers to create, add, delete, rename, edit and move worksheet in either C#, VB.NET or ASP.NET. Developers can also copy, move, and consolidate across worksheets with full contents. This professional Excel .NET class library also embeds many flexible options for displaying worksheets, such as page breaks, zoom-setting, freeze panes, headers/footers, print paper size and print area etc.				Easily Manipulate cells & Excel Calculation Engine at run time Free Spire.XLS for .NET supports merge/unmerge excel cells, add/delete excel cell, insert excel rows and interiors, hide/unhide excel rows and columns, freeze/unfreeze Excel Panes. Free Spire.XLS for .NET supports add, read and calculate Excel formulas.				Chart, Data and other Elements Free Spire.XLS for .NET provides a wide range of Charts: Pie Chart, Bar Chart, Column Chart, Line Chart, Radar Chart and etc. Free Spire.XLS for .NET supports data transportation between database and Excel in C# VB.NET or ASP.NET. Free Spire.XLS for .NET supports hyperlinks, templates and comments. Free Spire.XLS for .NET supports creating, reading Excel Pivot Table.