# JavaScript Diagram Control

The [JavaScript Diagram](https://www.syncfusion.com/javascript-ui-controls/js-diagram?utm_source=npm&utm_medium=listing&utm_campaign=javascript-diagram-npm) control is used for visualizing, creating, and editing interactive diagrams. It supports creating flowcharts, organizational charts, mind maps, floor plans, UML diagrams, and BPMN charts either through code or a visual interface.

<p align="center">
    <a href="https://ej2.syncfusion.com/documentation/diagram/getting-started/?utm_source=npm&utm_medium=listing&utm_campaign=javascript-diagram-npm">Getting started</a> . 
    <a href="https://ej2.syncfusion.com/demos/?utm_source=npm&utm_medium=listing&utm_campaign=javascript-diagram-npm#/material/diagram/default-functionalities.html">Online demos</a> . 
    <a href="https://www.syncfusion.com/javascript-ui-controls/js-diagram?utm_source=npm&utm_medium=listing&utm_campaign=javascript-diagram-npm">Learn more</a>
</p>

<p align="center">
    <img src="https://raw.githubusercontent.com/SyncfusionExamples/nuget-img/master/javascript/javascript-diagram.png" alt="JavaScript Diagram Control"/>
</p>

<p align="center">
Trusted by the world's leading companies
  <a href="https://www.syncfusion.com">
    <img src="https://raw.githubusercontent.com/SyncfusionExamples/nuget-img/master/syncfusion/syncfusion-trusted-companies.webp" alt="Bootstrap logo">
  </a>
</p>

## Setup

To install Diagram and its dependent packages, use the following command.

```sh
npm install @syncfusion/ej2-diagrams  
```

## Supported frameworks

Diagram control is also offered in the following list of frameworks.

| [<img src="https://ej2.syncfusion.com/github/images/angular-new.svg" height="50" />](https://www.syncfusion.com/angular-ui-components?utm_medium=listing&utm_source=github)<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[Angular](https://www.syncfusion.com/angular-ui-components?utm_medium=listing&utm_source=github)&nbsp;&nbsp;&nbsp;&nbsp; | [<img src="https://ej2.syncfusion.com/github/images/react.svg"  height="50" />](https://www.syncfusion.com/react-ui-components?utm_medium=listing&utm_source=github)<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[React](https://www.syncfusion.com/react-ui-components?utm_medium=listing&utm_source=github)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | [<img src="https://ej2.syncfusion.com/github/images/vue.svg" height="50" />](https://www.syncfusion.com/vue-ui-components?utm_medium=listing&utm_source=github)<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[Vue](https://www.syncfusion.com/vue-ui-components?utm_medium=listing&utm_source=github)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | [<img src="https://ej2.syncfusion.com/github/images/netcore.svg" height="50" />](https://www.syncfusion.com/aspnet-core-ui-controls?utm_medium=listing&utm_source=github)<br/>&nbsp;&nbsp;[ASP.NET&nbsp;Core](https://www.syncfusion.com/aspnet-core-ui-controls?utm_medium=listing&utm_source=github)&nbsp;&nbsp; | [<img src="https://ej2.syncfusion.com/github/images/netmvc.svg" height="50" />](https://www.syncfusion.com/aspnet-mvc-ui-controls?utm_medium=listing&utm_source=github)<br/>&nbsp;&nbsp;[ASP.NET&nbsp;MVC](https://www.syncfusion.com/aspnet-mvc-ui-controls?utm_medium=listing&utm_source=github)&nbsp;&nbsp; | 
| :-----: | :-----: | :-----: | :-----: | :-----: |

## Use case demos

* [Javascript Diagram Builder demo](https://ej2.syncfusion.com/showcase/javascript/diagrambuilder/#/home)
* [JavaScript Organizational Chart demo](https://ej2.syncfusion.com/demos/#/bootstrap5/diagram/organization-model.html)
* [JavaScript Mind Map demo](https://ej2.syncfusion.com/demos/#/bootstrap5/diagram/mind-map.html)
* [JavaScript BPMN Editor demo](https://ej2.syncfusion.com/demos/#/bootstrap5/diagram/bpmn-editor.html)
* [JavaScript Logic Circuit Diagram demo](https://ej2.syncfusion.com/demos/#/bootstrap5/diagram/logic-circuit.html)
* [JavaScript UML Activity Diagram demo](https://ej2.syncfusion.com/demos/#/bootstrap5/diagram/uml-activity.html)
* [JavaScript Network Diagram demo](https://ej2.syncfusion.com/demos/#/bootstrap5/diagram/network-diagram.html)
* [JavaScript UML Class Diagram demo](https://ej2.syncfusion.com/demos/#/bootstrap5/diagram/uml-class-diagram.html)
* [Javascript Venn Diagram demo](https://ej2.syncfusion.com/demos/#/bootstrap5/diagram/venn-diagram.html)
* [Javascript Fishbone Diagram demo](https://ej2.syncfusion.com/demos/#/bootstrap5/diagram/fishbone-diagram.html)

## Key features

* [Nodes](https://ej2.syncfusion.com/demos/#/material/diagram/getting-started-node.html) - Nodes are used to host graphical objects (path or controls) that can be arranged and manipulated on a diagram page. Many predefined standard shapes are included. Custom shapes can also be created and added easily.
* [Connectors](https://ej2.syncfusion.com/demos/#/material/diagram/connector.html) - The relationship between two nodes is represented using a connector.
* [Labels](https://ej2.syncfusion.com/demos/#/material/diagram/getting-started-annotation.html)- Labels are used to annotate nodes and connectors.
* [Ports](https://ej2.syncfusion.com/demos/#/material/diagram/port.html) - Ports act as the connection points of the node and allows to create connections with only those specific points.
* [Interactive features](https://ej2.syncfusion.com/demos/#/material/diagram/drawing-tool.html) - Interactive features are used to improve the run time editing experience of a diagram.
* [Data binding](https://ej2.syncfusion.com/demos/#/material/diagram/local-data.html) - Generates diagram with nodes and connectors based on the information provided from an external data source.
* [Commands](https://ej2.syncfusion.com/demos/#/material/diagram/key-board-functions.html) - Supports a set of predefined commands that helps edit the diagram using keyboard. It is also possible to configure new commands and key combinations.
* [Automatic Layout](https://ej2.syncfusion.com/demos/#/material/diagram/hierarchical-model.html) - Automatic layouts are used to arrange nodes automatically based on a predefined layout logic. There is built-in support for the organizational chart layout, hierarchical tree layout, symmetric layout, radial tree layout, and mind map layout.
* [Overview panel](https://ej2.syncfusion.com/demos/#/material/diagram/overview.html) -  The overview panel is used to improve navigation experience when exploring large diagrams.
* [SymbolPalettes](https://ej2.syncfusion.com/demos/#/material/diagram/symbol-palette.html) - The symbol palette is a gallery of reusable symbols and nodes that can be dragged and dropped on the surface of a diagram.
* [Rulers](https://ej2.syncfusion.com/demos/#/material/diagram/drawing-tool.html) - The ruler provides horizontal and vertical guides for measuring diagram objects in diagram control.
* [Serialization](https://ej2.syncfusion.com/demos/#/material/diagram/serialization.html) - When saved in JSON format a diagram’s state persists, and then it can be loaded back using serialization.
* [Exporting and Printing](https://ej2.syncfusion.com/demos/#/material/diagram/print-export.html) - Diagrams can be exported as .png, .jpeg, .bmp, and .svg image files, and can also be printed as documents.
* [Gridlines](https://ej2.syncfusion.com/demos/#/material/diagram/default-functionalities.html) - Gridlines are the pattern of lines drawn behind diagram elements. It provides a visual guidance while dragging or arranging the objects on a diagram surface.
* [Page Layout](https://ej2.syncfusion.com/demos/#/material/diagram/print-export.html)- The drawing surface can be configured to page-like appearance using page size, orientation, and margins.
* [Context Menu](https://ej2.syncfusion.com/demos/#/material/diagram/key-board-functions.html) - Frequently used commands can easily be mapped to the context menu.

## Support

Product support is available through the following mediums.

* [Support ticket](https://support.syncfusion.com/support/tickets/create) - Guaranteed Response in 24 hours | Unlimited tickets | Holiday support
* [Community forum](https://www.syncfusion.com/forums/essential-js2?utm_source=npm&utm_medium=listing&utm_campaign=javascript-diagram-npm)
* [GitHub issues](https://github.com/syncfusion/ej2-javascript-ui-controls/issues/new)
* [Request feature or report bug](https://www.syncfusion.com/feedback/javascript?utm_source=npm&utm_medium=listing&utm_campaign=javascript-diagram-npm)
* Live chat

## Changelog

Check the changelog [here](https://ej2.syncfusion.com/javascript/documentation/release-notes/index). Get minor improvements and bug fixes every week to stay up to date with frequent updates.

## License and copyright

> This is a commercial product and requires a paid license for possession or use. Syncfusion’s licensed software, including this component, is subject to the terms and conditions of Syncfusion's [EULA](https://www.syncfusion.com/eula/es/). To acquire a license for 80+ [JavaScript UI controls](https://www.syncfusion.com/javascript-ui-controls), you can [purchase](https://www.syncfusion.com/sales/products) or [start a free 30-day trial](https://www.syncfusion.com/account/manage-trials/start-trials).

> A [free community license](https://www.syncfusion.com/products/communitylicense) is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.

See [LICENSE FILE](https://github.com/syncfusion/ej2/blob/master/license?utm_source=npm&utm_campaign=diagram) for more info.

© Copyright 2026 Syncfusion<sup>®</sup> Inc. All Rights Reserved. The Syncfusion<sup>®</sup> Essential Studio<sup>®</sup> license and copyright applies to this distribution.