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The project is still in an early stage. Documentation may be missing and examples may be broken.

bpmn-js - BPMN 2.0 for the web

Build Status

bpmn-js is a BPMN 2.0 diagram rendering toolkit and web modeler.

bpmn-js in action


No need for additional setup: Try out our seed project or use the pre-packaged version of the library.

Get the library via npm or Bower and use it in your web applications to display BPMN 2.0 diagrams.

var BpmnViewer = require('bpmn-js');
var xml; // my BPMN 2.0 xml
var viewer = new BpmnViewer({ container: 'body' });
viewer.importXML(xml, function(err) {
  if (err) {
    console.log('error rendering', err);
  } else {

Dynamic Attach/Detach

You may attach or detach the viewer dynamically to any element on the page, too:

var viewer = new BpmnViewer();
// attach it to some element
// detach the panel


Fetch bpmn-js prebuilt or install it via npm.

Fetch Prebuilt

The bower-bpmn-js repository contains pre-built bundles of bpmn-js.

Download them directly or fetch them with Bower:

bower install bpmn-js

Checkout the example project to get started.

Install via npm

Fetch the library via npm to get fine grained access to the parts you need:

npm install --save bpmn-js

Make sure you use browserify or the like to bundle your project and bpmn-js for the browser.

Checkout the example project to learn more.


Building the Project

Perform the following steps to build the library, including running all tests:

cd bpmn-js
npm install
npm run all

You may need to perform additional project setup when building the latest development snapshot.

Please checkout our contributing guidelines if you plan to file an issue or pull request.


bpmn-js builds on top of a few additional powerful tools:

  • bpmn-moddle: Read / write support for BPMN 2.0 XML in the browsers
  • diagram-js: Diagram rendering and editing toolkit


Use under the terms of the license.