The Cookie Store API exposes HTTP cookies to service workers and offers an asynchronous alternative to document.cookie. This change is about exposing it to all secure contexts by including allowing local origins (, localhost address, file://...).


- Align with the specification. - This allows developers to quickly experiment things locally, without the need to set up a HTTPs server.



Specification link

Specification being incubated in a Community Group

Status in Chromium


No active development (tracking bug)

Consensus & Standardization

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


Last updated on 2021-04-16