Manifest Protocol Handlers

Manifest Protocol Handlers — Register a PWA to handle custom or allow-listed URL protocols via manifest.protocol_handlers.

Browser & ecosystem support

• Legend
• Yes
• Partial
• Flag
• No
• Unknown

Browser / Platform	Support	Versions	Confidence	Source	Notes
Chrome (Android)	No	—	medium	source	1
Chrome (Desktop)	Yes	96	medium	source	—
Edge (Desktop)	Yes	96	medium	source	—
Safari (iOS)	No	—	medium	source	2
Safari (macOS)	No	—	medium	source	3
Firefox (Desktop)	No	—	medium	source	4
Samsung Internet	No	—	medium	source	5

1. Desktop-only registration.
2. Safari does not implement the `protocol_handlers` manifest member (MDN compatibility table, checked 2026-10-03).
3. Safari does not implement the `protocol_handlers` manifest member (MDN compatibility table, checked 2026-10-03).
4. Desktop Firefox does not install web apps from the manifest and does not implement `protocol_handlers` (MDN compatibility table, checked 2026-10-03).
5. Chromium ships manifest protocol handlers for desktop installs only; Samsung Internet lists no support (MDN compatibility table, checked 2026-10-03).

Source data: /compatibility/protocol-handlers.json · Global usage: 37 % (StatCounter 2026-05)

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

← Back to the Compatibility explorer.