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

Chrome Edge Firefox Firefox for Android Opera
Basic Support Yes No 45.0 48.0 33


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,