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.



Specification link

Specification currently under development in a Working Group

Status in Chromium


Enabled by default (tracking bug)

Consensus & Standardization

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

  • Positive
  • Negative
  • No signals



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