The machine's processor architecture.


Values of this type are strings. Possible values are:

The platform is based on arm architecture.
The platform is based on x86 32-bit architecture.
The platform is based on x86 64-bit architecture.

Browser compatibility

ChromeEdgeFirefoxFirefox for AndroidOpera
Basic support Yes No4548 Yes


This API is based on Chromium's chrome.runtime API. This documentation is derived from runtime.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

Document Tags and Contributors

Contributors to this page: chrisdavidmills, wbamberg
Last updated by: chrisdavidmills,