Yahoo! KeyKey
Yahoo! KeyKey is an input method (IME) for macOS that enables typing in Traditional Chinese characters. It was developed by Yahoo and provides Cantonese input via the Jyutping romanisation system, allowing users to input Chinese text using phonetic methods. The app integrates with macOS's system input method architecture and is used primarily by Cantonese speakers and learners who need a reliable phonetic input solution.
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1 suggestionYahoo! KeyKey is a system input method extension that has not received visible updates or public development activity in several years. The application runs under Rosetta 2 today but Apple is removing Rosetta from macOS 28 (September 2028), at which point Yahoo! KeyKey will no longer launch on a Mac running that release or later. Contact Yahoo or check their developer portal to ask whether a native Apple Silicon build is planned. In the meantime, if you are a Cantonese user, macOS's built-in Traditional Chinese input methods (including Cantonese Jyutping) may provide an alternative, though they may not have the exact same feature set as KeyKey. You should verify compatibility well before the September 2028 deadline to ensure a smooth transition off Rosetta.
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