Notifications from service workers and installed appsBaseline · Widely available
Notifications via service worker registration's showNotification() method, sent from installed web applications (for example, saved to the Home Screen on Safari for iOS), show a message to the user, typically using the notification system of the host operating system.
Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Mar 27, 2023. Widely available since Sep 27, 2025.
Browser support
DesktopChrome
1–19Not supported
20+Supportedsince Jun 26, 2012
Current: 155Edge
12–13Not supported
14+Supportedsince Aug 2, 2016
Current: 154Firefox
1–21Not supported
22+Supportedsince Jun 25, 2013
Current: 157Safari
1–6Not supported
7+Supportedsince Oct 22, 2013
Current: 27MobileChrome Android
18–41Not supported
42+Supportedsince Apr 15, 2015
Current: 155Firefox Android
4–21Not supported
22+Supportedsince Jun 25, 2013
Current: 157Safari iOS
1–16.3Not supported
16.4+Supportedsince Mar 27, 2023
Current: 27How to use
This feature is Baseline widely available — use it freely, no fallback needed.
Example
Full syntax and examples are on MDN — see the links below.
Feature detection
There’s no simple runtime check for this feature; rely on the support table and test in your target browsers.