Embedder is an app that works on top of Atlassian Confluence. Embedder primarily serves as a way to create embeddable widgets to surface your Confluence content. These embeddable widgets can then be ‘inserted’ into any websites, web apps, or even mobile apps.
Embedder app for Confluence can be used without any knowledge of coding. This app generates a small Javascript snippet for every widget that you create, which the developers can simply put into the website/web app or mobile app.
Check below explainer video to know how Embeder app works -