Web platform features explorer - registerProtocolHandler

Web platform features explorer

The navigator.registerProtocolHandler() method declares a site's ability to handle an address scheme (also known as a protocol). For example, an email site can register to open mailto: URLs or a VoIP site to open tel: URLs.

Status

Limited availability

MDN documentation

Specifications

HTML (#custom-handlers), from HTML Workstream (WHATWG).

Browser support

Chrome 13 Released on 2011-08-02
Chrome Android ❌ See crbug.com/40964464
Edge 79 Released on 2020-01-15
Firefox 2 Released on 2006-10-24
Firefox for Android 4 Released on 2011-03-29
Safari ❌
Safari on iOS ❌

Developer signals

State of HTML 2025: features/all_features question

Web Platform Tests (WPT)

View the latest WPT test results for this feature

View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist