TypeGuesser vs ExcelDataReader

TypeGuesser

Guesses C# data types for untyped string inputs (by HicServices)

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ExcelDataReader

Lightweight and fast library written in C# for reading Microsoft Excel files (by ExcelDataReader)

Office Excel xlsb XLSX Parser XLS C# .NET

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TypeGuesser		ExcelDataReader
	Project
1	Mentions	11
4	Stars	3,797
-	Growth	-
7.6	Activity	6.4
8 days ago	Latest Commit	16 days ago
C#	Language	C#
MIT License	License	MIT License

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

TypeGuesser

Posts with mentions or reviews of TypeGuesser. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-08-30.

What's the best way to read an Excel file into a DataGrid in WinUi 3?
8 projects | /r/csharp | 30 Aug 2022

I also wrote a package for guessing datatypes for strings too called TypeGuesser. It measures required decimal sizes too to help with column creation if thats helpful (also free and open source) https://github.com/HicServices/TypeGuesser

ExcelDataReader

Posts with mentions or reviews of ExcelDataReader. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-02-11.

Use spreadsheet as data source?
2 projects | /r/dotnet | 11 Feb 2023
Creating a Web App using Excel
4 projects | /r/Blazor | 12 Jan 2023
C# Excel Interop quit and releasecomobjects after the user closed excel
1 project | /r/csharp | 18 Oct 2022

https://github.com/ExcelDataReader/ExcelDataReader works with all versions
What's the best way to read an Excel file into a DataGrid in WinUi 3?
8 projects | /r/csharp | 30 Aug 2022

ExcelDataReader is the way forward. I dont know what you mean when you say??
Easiest Way to Read and Import Excel File Data into DataTable C#
1 project | /r/aspnetcore | 15 Aug 2022
Dot net libraries/tools that are usefull in many projects
7 projects | /r/dotnet | 3 Dec 2021
Read Excel file in .NET 6 deployed on Linux?
8 projects | /r/dotnet | 27 Nov 2021

Have you tried https://github.com/ExcelDataReader/ExcelDataReader ?
Coming from Python and wondering if I should use Pandas.NET or learn built-in Dataframe stuff
5 projects | /r/dotnet | 6 Oct 2021
.NET MiniExcel simple and efficient Excel tool to avoid OOM(out of memory).
2 projects | dev.to | 30 Mar 2021

ExcelDataReader
How should I go about reading excel data and converting it to JSON in C#?
3 projects | /r/dotnet | 9 Feb 2021

What are some alternatives?

When comparing TypeGuesser and ExcelDataReader you can also consider the following projects:

Sylvan.Data.Excel - The fastest .NET library for reading Excel data files.

EPPlus

CsvBenchmarks - Benchmarks for various .NET libraries.

NPOI - a .NET library that can read/write Office formats without Microsoft Office installed. No COM+, no interop.

ClosedXML - ClosedXML is a .NET library for reading, manipulating and writing Excel 2007+ (.xlsx, .xlsm) files. It aims to provide an intuitive and user-friendly interface to dealing with the underlying OpenXML API.

Open XML SDK - Open XML SDK by Microsoft

MiniExcel - Fast, Low-Memory, Easy Excel .NET helper to import/export/template spreadsheet (support Linux, Mac)

Report-From-DocX-HTML-To-PDF-Converter - .NET Core library to create custom reports based on Word docx or HTML documents and convert to PDF

ExcelMapper - An Excel to object mapper. Maps POCOs to and from Excel. Configuration via convention, attributes, or fluent methods.

FileHelpers - The FileHelpers are a free and easy to use .NET library to read/write data from fixed length or delimited records in files, strings or streams

PureExcel - A lightweight excel parser