Defines an API supporting the MIDI protocol, enabling web applications to enumerate and select MIDI input and output devices on the client system and send and receive MIDI messages.



Working draft or equivalent

Status in Chromium


Enabled by default (tracking bug) in:

  • Chrome for desktop release 43
  • Chrome for Android release 43
  • Android WebView release 43

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.



IE views: Web MIDI API is currently listed as "Not currently planned". However, Web Audio API which is a pre-requisite for a significant chunk of the use cases is in development (

Last updated on 2021-05-12