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A flowchart is a visual representation of a process in which each step in the process is represented by a different shape and contains a short description of the process step. The Blazor Diagram library offers various feature sets to build flowcharts with ease.

Flowchart shapes

The Blazor Diagram library provides the shapes required to build a flowchart diagram as ready-made objects, making it is easy to add them in a diagram surface in a single call.

Flowchart shapes documentation

Built-in flowchart shapes available in Blazor Diagram library

Connector arrows

Arrows or connectors represent the relationship or direction of flow between two flowchart shapes.

Different types of connectors available in Blazor flowchart diagram

Arrow types

Straight, orthogonal, and curved connector types are provided. You can choose any of these based on the relationship between the connected shapes.

Predefined arrowheads in Blazor Diagram library illustrate flow direction in the Blazor flowchart


The Blazor Diagram library provides predefined arrowheads to illustrate flow direction in a flowchart diagram. You can also build your own custom arrowheads.


You can add descriptions to the flowchart shapes and connectors using annotations, and modify descriptions by pressing F2 or double-clicking them.

Additional information can be shown on nodes and connectors using labels in Blazor flowchart diagram

Connection points (ports)

Connect to specific places on a shape through different types of ports or connecting points.

Connect to specific places on a node using ports in the Blazor flowchart diagram

Interactive features

Use interactive features to improve the editing experience of a flowchart diagram at runtime. You can easily edit a diagram with mouse, touchscreen, or keyboard interfaces.

Select and drag the nodes or connectors using handlers in Blazor flowchart diagram

Select, drag, resize, rotate

Objects can be selected and then dragged, resized, or rotated.

Align nodes and connectors with the nearest gridlines or objects in Blazor flowchart


Precisely align shapes, connectors, and annotations easily while dragging just by snapping to the nearest grid lines or objects.

Undo and redo the recent changes using history manager feature in Blazor flowchart diagram

Undo and redo

Don’t worry when you edit by mistake—undo and redo commands help to easily correct recent changes.


Save your diagram state in JSON format and load it back later for editing using the serializer.

Save and load a diagram by serializing it to JSON format using Blazor flowchart diagram

Exporting and printing

You can easily export flowchart diagrams to different image formats such as PNG, JPEG, BMP, and SVG. Flowcharts can be printed from the browser.

Export the diagram to different image formats using Blazor flowchart diagram

Blazor Components – 65+ UI and DataViz Components

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