Before you start, choose the right version of this page.
You should read either:
For information about browser versions such as
Canary (bleeding edge) and the Dev channel, see
Chrome Release Channels.
For details about channel-specific docs,
see Doc versions.
List of APIs
We'd like your feedback
on the following experimental APIs:
Pay special attention to the following APIs,
which we expect to finalize soon:
For examples of using the experimental APIs, see
Don't depend on these experimental APIs.
They might disappear,
and they will change.
Also, the Chrome Web Store doesn't allow you to
upload items that use experimental APIs.
How to use experimental APIs
Make sure you're using either
(which you can use at the same time as other Chrome channels) or the
Although the experimental APIs might work in other versions,
we need your feedback on the latest incarnation of the APIs,
which you can find in Canary and on the Dev channel.
Using either the
most recent API documentation (if you're using Canary) or the
API documentation for the Dev channel,
write the code for your extension.
Specify the "experimental"
in your manifest, like this:
Enable the experimental API in your browser.
You can do this in either of two ways:
Give us feedback!
Your comments and suggestions help us
improve the APIs and decide
which ones should move from experimental to supported.
For information on the standard APIs, see
chrome.* APIs and