Introducing Syncfusion Toolkit for Blazor: Free Open-Source Blazor Components

With the Syncfusion Toolkit for Blazor, you get:

• Free and MIT-licensed Blazor UI components,
• Open-source access on GitHub,
• NuGet package distribution,
• Support for Blazor Server, WebAssembly, and Auto render modes,
• Support for .NET 8, .NET 9, and .NET 10,
• Essential components such as Charts, Buttons, Dialogs, File Upload, Calendar, DatePicker, TextBox, Tooltip, Spinner, and more.

Whether you are building dashboards, admin panels, forms, internal business tools, SaaS apps, or enterprise web apps, the Toolkit for Blazor helps reduce repetitive UI development so you can focus on delivering better application experiences faster.

What is Syncfusion Toolkit for Blazor?

The Syncfusion® Toolkit for Blazor is a free, MIT-licensed collection of open-source Blazor UI components designed to help developers build modern Blazor applications faster.

Hosted on GitHub and distributed through NuGet, the toolkit provides reusable, customizable, and production-friendly UI components that developers can easily integrate into their applications.

Instead of building common UI infrastructure from scratch, developers can use ready-to-integrate components for charts, forms, dialogs, uploads, date selection, input handling, and other common application scenarios.

The Toolkit for Blazor focuses on providing essential UI building blocks that help developers quickly create modern business applications with cleaner and more maintainable code.

Why we built Syncfusion Toolkit for Blazor

Syncfusion has long provided a comprehensive commercial suite of Blazor UI components for enterprise application development. With the Syncfusion Toolkit for Blazor, we are extending our support for the Blazor developer community by offering a free and open-source set of essential UI components.

Open source helps developers by providing:

• Greater transparency,
• More flexibility,
• Easier customization,
• Community-driven collaboration, and
• Long-term control over application UI infrastructure.

Our goal is simple:

Help developers build modern Blazor applications faster using reusable, community-friendly UI components under the MIT license.

This release reflects our continued commitment to supporting the .NET and Blazor ecosystem through open-source contributions and developer-focused tooling.

What’s included in the first release?

The latest release (v2.0.x) of the Syncfusion Toolkit for Blazor includes commonly used UI components for modern web and business applications. All components use a unified namespace Syncfusion.Blazor.Toolkit.

Charts

Create interactive visualizations such as line, bar, column, area, scatter, bubble, and other chart types for dashboards, analytics, and reporting experiences.

Button and Button Group

Add customizable buttons and grouped actions for forms, toolbars, dialogs, and modern application interfaces.

Date and time components

Calendar

Provide interactive calendar-based date selection experiences.

DatePicker

Simplify date selection with user-friendly calendar input.

DateTime Picker

Combine date and time selection in a single control.

TimePicker

Enable precise and flexible time-selection workflows.

TextBox and TextArea

Capture single-line and multi-line user input for forms, comments, notes, search fields, and data-entry screens.

Input and toggle Components

Checkbox

Enable simple and intuitive selection-based interactions.

Radio Button

Allow users to choose a single option from grouped selections.

Numeric Textbox

Accept formatted numeric input with validation-friendly behavior.

Toggle Switch Button

Create modern on/off interactions for settings and state management.

File Upload

Add file-upload capabilities with drag-and-drop support, progress tracking, and flexible upload experiences.

Dialog

Create alerts, confirmations, modal popups, and interactive dialogs for modern application workflows.

Tooltip

Display contextual information when users hover over, focus on, or interact with a target element, with customizable positioning and animation support.

Spinner

Display loading and processing states clearly during asynchronous operations.

Together, these free Blazor UI components help developers build:

• Dashboards
• Admin panels
• Reporting systems
• Data-entry forms
• Internal business tools
• SaaS applications
• Enterprise web applications

with significantly less UI setup effort.

Getting started with Syncfusion Toolkit for Blazor

Let’s create a simple Blazor app and add your first component from the Toolkit for Blazor. The steps below reflect the latest (v2.0+) guidance from the official demos and documentation.

Step 1: Create a new Blazor Web app

Start by creating a new Blazor Web app project using the following command.

dotnet new blazor -n MyBlazorApp

cd MyBlazorApp

Step 2: Install the NuGet package

Install the Syncfusion Toolkit for Blazor package using the following command:

dotnet add package Syncfusion.Blazor.Toolkit

Step 3: Register Syncfusion services

In your Program.cs file, register the Syncfusion Blazor service.

using Syncfusion.Blazor;

var builder = WebApplication.CreateBuilder(args);

builder.Services
       .AddRazorComponents()
       .AddInteractiveWebAssemblyComponents();

// Register Syncfusion Blazor Toolkit services
builder.Services.AddSyncfusionBlazorToolkit();

var app = builder.Build();

// Remaining app configuration

Step 4: Import the required namespaces

Add the following single unified namespace to the _Imports.razor file (domain-specific namespaces were removed in v2.0):

@using Syncfusion.Blazor.Toolkit

Step 5: Add your first component

Now, add the render mode declaration (if required) and use the component with the unified namespace:

@page "/"
@using Syncfusion.Blazor.Toolkit

<h1>Welcome to Syncfusion Toolkit for Blazor!</h1>

<SfButton OnClick="@HandleButtonClick" CssClass="e-success">
    Click Me!
</SfButton>

<p>Button clicked: <strong>@clickCount</strong> times</p>

@code
{
    private int clickCount = 0;

    private void HandleButtonClick()
    {
        clickCount++;
    }
}

Step 6: Run the application

Launch your application using the following command:

dotnet run

And, open the application in your browser and see the Syncfusion Toolkit for Blazor components in action.

Refer to the following image.

Built for modern Blazor applications

The Syncfusion Toolkit for Blazor is designed for modern Blazor development scenarios, including:

• Blazor Web Apps,
• Interactive Server rendering,
• Interactive WebAssembly rendering,
• Interactive Auto mode,
• Standalone Blazor WebAssembly apps,
• Modern .NET versions: .NET 8, .NET 9, and .NET 10.

This gives developers the flexibility to use the toolkit across different Blazor hosting and rendering models.

Key updates in v2.0 (October 2026)

The latest releases (v2.0.0 and v2.0.1) introduce several enhancements focused on developer experience, theming, accessibility, and platform readiness:

• Namespace simplification: All public APIs are now consolidated under a single root namespace, Syncfusion.Blazor.Toolkit, replacing the previous domain-specific namespaces.
• Automatic theme management: The SfThemeRoot component now injects shared theme styles automatically at runtime, eliminating the need to manually reference CSS files in most scenarios.
• CSS isolation support: Component styles have been migrated to Blazor CSS isolation (.razor.css), helping improve style encapsulation and maintainability.
• Enhanced rendering and theme support: Improved compatibility for Static SSR, Dark Theme, High Contrast, and forced-colors accessibility modes.
• Tooltip and accessibility improvements: Expanded Tooltip capabilities and additional accessibility enhancements deliver a more intuitive and inclusive user experience.
• Migration and breaking changes: If you’re upgrading from v1.x, review the migration guidance carefully, as changes include collection API updates, internal type modifications, DataAdaptor constraints, and other breaking updates.

Why open source matters for Blazor developers

Open-source UI components provide more than free access. They give developers flexibility, visibility, and long-term control over their application UI infrastructure.

With the Syncfusion Toolkit for Blazor, developers can:

• Review the source code,
• Understand component implementation details,
• Customize behavior based on project needs,
• Contribute improvements,
• Use the components in personal, startup, commercial, and enterprise applications.

Because the toolkit is released under the MIT license, developers can confidently adopt it across a wide range of application scenarios without complex licensing restrictions.

Start building with Syncfusion Toolkit for Blazor

Thanks for reading! Open source continues to accelerate innovation and developer collaboration, and we’re bringing that same philosophy to Blazor development with the Syncfusion Toolkit for Blazor.

With a growing collection of free, MIT-licensed Blazor UI components (currently ~17 production-ready controls), developers can build dashboards, forms, dialogs, admin interfaces, and modern business apps faster while maintaining full flexibility and visibility into the source code.

The toolkit is hosted on GitHub and supported with documentation, API references, and practical examples to help teams get started quickly.

Explore the latest:

• Getting-started documentation
• GitHub demo
• NuGet package
• Online demos

Try the components in your projects and start building modern Blazor apps faster today.

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