TwoFactorAuth.Net 1.4.0

Install-Package TwoFactorAuth.Net -Version 1.4.0
dotnet add package TwoFactorAuth.Net --version 1.4.0
<PackageReference Include="TwoFactorAuth.Net" Version="1.4.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add TwoFactorAuth.Net --version 1.4.0
The NuGet Team does not provide support for this client. Please contact its maintainers for support.
#r "nuget: TwoFactorAuth.Net, 1.4.0"
#r directive can be used in F# Interactive, C# scripting and .NET Interactive. Copy this into the interactive tool or source code of the script to reference the package.
// Install TwoFactorAuth.Net as a Cake Addin
#addin nuget:?package=TwoFactorAuth.Net&version=1.4.0

// Install TwoFactorAuth.Net as a Cake Tool
#tool nuget:?package=TwoFactorAuth.Net&version=1.4.0
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

.Net library for two-factor (or multi-factor) authentication using TOTP and QR-codes.

NuGet packages (4)

Showing the top 4 NuGet packages that depend on TwoFactorAuth.Net:

Package Downloads

A QR Code provider for TwoFactorAuth.Net that has no external API dependency. The image is generated on your own server. Also no dependency on System.Drawing to avoid installation issues with Linux.


QR code provider for TwoFactorAuth.Net using the excellent QRCoder library (


Package Description



GitHub repositories (1)

Showing the top 1 popular GitHub repositories that depend on TwoFactorAuth.Net:

Repository Stars
NosCore is a Nostale emulator in c# (.Net 6) using DotNetty / Entity Framework / WebAPI / Autofac / Mapster / Serilog
Version Downloads Last updated
1.4.0 97,417 7/10/2020
1.3.9 29,669 6/1/2020
1.3.8 104,269 6/21/2019
1.3.6 42,173 3/19/2019
1.3.4 24,832 6/9/2018
1.3.3 578 6/6/2018
1.3.1 27,395 2/28/2018
1.3.0 848 2/24/2018
1.2.1 35,371 2/21/2017
1.1.0 1,458 11/23/2015
1.0.1 938 11/21/2015
1.0.0 682 11/19/2015

* GetQrText() is now public