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  6. userAgentClientHints

userAgentClientHints module

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The userAgentClientHints module contains commands for overriding user agent client hints.

Specifications

Specification
WebDriver BiDi
# module-userAgentClientHints

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
userAgentClientHints
Experimental
Chrome – Full support
Chrome 147 (Release date: 2026-04-07)
footnote Full support
Edge – Full support
Edge 147 (Release date: 2026-04-10)
footnote Full support
Firefox – No support
Firefox
footnote No support
Opera – Full support
Opera 131 (Release date: 2026-04-29)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 147 (Release date: 2026-04-07)
footnote Full support
Firefox for Android – No support
Firefox for Android
footnote No support
Opera Android – No support
Opera Android
footnote No support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – No support
Samsung Internet
footnote No support
WebView Android – Full support
WebView Android 147 (Release date: 2026-04-07)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support
userAgentClientHints.setClientHintsOverride command
Experimental
Chrome – Full support
Chrome 147 (Release date: 2026-04-07)
footnote Full support
Edge – Full support
Edge 147 (Release date: 2026-04-10)
footnote Full support
Firefox – No support
Firefox
footnote No support
Opera – Full support
Opera 131 (Release date: 2026-04-29)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 147 (Release date: 2026-04-07)
footnote Full support
Firefox for Android – No support
Firefox for Android
footnote No support
Opera Android – No support
Opera Android
footnote No support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – No support
Samsung Internet
footnote No support
WebView Android – Full support
WebView Android 147 (Release date: 2026-04-07)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support
clientHints parameter
Experimental
Chrome – Full support
Chrome 147 (Release date: 2026-04-07)
footnote Full support
Edge – Full support
Edge 147 (Release date: 2026-04-10)
footnote Full support
Firefox – No support
Firefox
footnote No support
Opera – Full support
Opera 131 (Release date: 2026-04-29)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 147 (Release date: 2026-04-07)
footnote Full support
Firefox for Android – No support
Firefox for Android
footnote No support
Opera Android – No support
Opera Android
footnote No support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – No support
Samsung Internet
footnote No support
WebView Android – Full support
WebView Android 147 (Release date: 2026-04-07)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support
contexts parameter
Experimental
Chrome – Full support
Chrome 147 (Release date: 2026-04-07)
footnote Full support
Edge – Full support
Edge 147 (Release date: 2026-04-10)
footnote Full support
Firefox – No support
Firefox
footnote No support
Opera – Full support
Opera 131 (Release date: 2026-04-29)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 147 (Release date: 2026-04-07)
footnote Full support
Firefox for Android – No support
Firefox for Android
footnote No support
Opera Android – No support
Opera Android
footnote No support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – No support
Samsung Internet
footnote No support
WebView Android – Full support
WebView Android 147 (Release date: 2026-04-07)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support
userContexts parameter
Experimental
Chrome – Full support
Chrome 147 (Release date: 2026-04-07)
footnote Full support
Edge – Full support
Edge 147 (Release date: 2026-04-10)
footnote Full support
Firefox – No support
Firefox
footnote No support
Opera – Full support
Opera 131 (Release date: 2026-04-29)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 147 (Release date: 2026-04-07)
footnote Full support
Firefox for Android – No support
Firefox for Android
footnote No support
Opera Android – No support
Opera Android
footnote No support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – No support
Samsung Internet
footnote No support
WebView Android – Full support
WebView Android 147 (Release date: 2026-04-07)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support

Tip: you can click/tap on a cell for more information.

Full support
No support
Experimental. Expect behavior to change in the future.

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