Cookie storeLimited availability

The CookieStore API is an asynchronous and promise-based API for managing cookies. It does not rely on document and so is available to service workers as well.

Not yet supported in all major browsers — check the table and provide a fallback.

How to use ↓Compare browsers

Browser support

DesktopChrome

1–86Not supported

87+Supportedsince Nov 17, 2020

Current: 155

Edge

12–86Not supported

87+Supportedsince Nov 19, 2020

Current: 154

Firefox

1–139Not supported

140+Supportedsince Jun 24, 2025

Current: 157

Safari

✕Not supportedup to 27

Current: 27

MobileChrome Android

18–86Not supported

87+Supportedsince Nov 17, 2020

Current: 155

Firefox Android

4–139Not supported

140+Supportedsince Jun 24, 2025

Current: 157

Safari iOS

✕Not supportedup to 27

Current: 27

How to use

Not supported in Safari, Safari iOS. Use feature detection below and provide a fallback (or a polyfill) for those browsers.

Example

Full syntax and examples are on MDN: CookieChangeEvent.

Feature detection

JS · check before using

if ("CookieStore" in globalThis) {
  // CookieStore is available
} else {
  // load a polyfill or use a fallback
}

Documentation (MDN)

Specification

cookiestore.spec.whatwg.org ↗

Usage share

caniuse.com/cookie-store-api ↗

Sub-features

Support for each part of the feature (24). The overall table above shows when the whole feature works.

Sub-feature	Chrome	Edge	Firefox	Safari	Chrome Android	Firefox Android	Safari iOS
CookieChangeEvent	87	87	140	18.4	87	140	18.4
CookieChangeEvent.CookieChangeEvent	87	87	140	18.4	87	140	18.4
CookieChangeEvent.changed	87	87	140	18.4	87	140	18.4
CookieChangeEvent.deleted	87	87	140	18.4	87	140	18.4
CookieStore	87	87	140	18.4	87	140	18.4
CookieStore.change_event	87	87	140	18.4	87	140	18.4
CookieStore.delete	87	87	140	18.4	87	140	18.4
CookieStore.get	87	87	140	18.4	87	140	18.4
CookieStore.get.name_return_property	87	87	140	18.4	87	140	18.4
CookieStore.get.value_return_property	87	87	140	18.4	87	140	18.4
CookieStore.getAll	87	87	140	18.4	87	140	18.4
CookieStore.set	87	87	140	18.4	87	140	18.4
CookieStoreManager	87	87	140	✕	87	140	✕
CookieStoreManager.getSubscriptions	87	87	140	✕	87	140	✕
CookieStoreManager.subscribe	87	87	140	✕	87	140	✕
CookieStoreManager.unsubscribe	87	87	140	✕	87	140	✕
ExtendableCookieChangeEvent	87	87	140	✕	87	140	✕
ExtendableCookieChangeEvent.ExtendableCookieChangeEvent	87	87	140	✕	87	140	✕
ExtendableCookieChangeEvent.changed	87	87	140	✕	87	140	✕
ExtendableCookieChangeEvent.deleted	87	87	140	✕	87	140	✕

Show 4 more

Sub-feature	Chrome	Edge	Firefox	Safari	Chrome Android	Firefox Android	Safari iOS
ServiceWorkerGlobalScope.cookieStore	87	87	140	18.4	87	140	18.4
ServiceWorkerGlobalScope.cookiechange_event	87	87	140	✕	87	140	✕
ServiceWorkerRegistration.cookies	87	87	140	✕	87	140	✕
Window.cookieStore	87	87	140	18.4	87	140	18.4