HTMLCanvasElement toBlob

Creates a Blob object representing a file containing the image in the canvas, and invokes a callback with a handle to that object.


Developers have been looking forward to this functionality for a long time:



Editor's draft

Status in Chromium


Enabled by default (tracking bug) in:

  • Chrome for desktop release 50
  • Chrome for Android release 50
  • Android WebView release 50
  • Opera release 37
  • Opera for Android release 37

Consensus & Standardization

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

  • Shipped
  • Shipped
  • No public signals
  • Strongly positive


Last updated on 2017-06-14