Look up a Chinese character's radical (偏旁部首), stroke count and structure — built-in data for ~300 common characters.
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Type one or more Chinese characters (or paste a word / sentence) and each character is decomposed into its radical (部首), stroke count (笔画) and structure (字形结构: 左右 / 上下 / 包围 / 独体 etc.). The built-in lookup table covers ~300 of the most common characters; characters not yet in the table fall back to a Unicode-based heuristic (stroke count may be off by 1–2). All lookups are local — no network calls.