# WebM

Concept · [Technical basics](https://ecosystem.samcarlton.com/technical)

Also called: WebM video, .webm

An open video file format made for the web. It can keep transparent backgrounds, which makes it useful for animated overlays.

**For example:** A site plays a small animated mascot as a WebM file so the page background shows through around it.

## Connects to (3)

- [APNG](https://ecosystem.samcarlton.com/apng): Animated PNG.
- [HTML5](https://ecosystem.samcarlton.com/html5): The current version of HTML.
- [Front end](https://ecosystem.samcarlton.com/front-end): The part of an app or website that people see and tap, running in their browser or on their phone.

Map view: https://ecosystem.samcarlton.com/webm