Badging API

Name: Badging API — browser & ecosystem support
Creator: OpenPWA

Published 2026-06-242026-06-24By Carey Gill · Editorial process

Badging API — Set an app-icon badge (count or dot) on the installed PWA.

Browser & ecosystem support

Browser / Platform	Support	Versions	Confidence	Source	Notes
Chrome (Android)	Partial	84	medium	source	¹
Chrome (Desktop)	Yes	81	medium	source	—
Edge (Desktop)	Yes	81	medium	source	—
Safari (iOS)	Yes	16.4	medium	source	²
Safari (macOS)	Yes	17	medium	source	—
Firefox (Desktop)	No	—	medium	source	³
Samsung Internet	Partial	13.0	medium	source	⁴

Badging is honored only for installed apps and subject to launcher support.
For home-screen web apps; tied to notification permission.
Firefox has no Badging API implementation; `navigator.setAppBadge` is undefined (MDN compatibility table, checked 2026-10-03).
Follows Chrome for Android: the badge is shown only for installed web apps and depends on launcher support.

Source data: /compatibility/badging-api.json · Global usage: 73 % (StatCounter 2026-05)

Source: spec · MDN · Last verified 2026-06-24 · Confidence: medium (computed from sources)

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