Longyan

Longyan (龙眼) is a passive Chinese reading assistant for learners who want to understand what a text actually means, not just what a dictionary says. How it works: Highlight any Chinese text on any webpage. Longyan instantly surfaces: Word-by-word pinyin with per-syllable tone coloring Contextual English translations Semantic gap explanations- flagging when the English loses cultural weight, register, or implied meaning that exists in the Chinese Why it's different: Most translation tools give you the 80% match. Longyan exists for the other 20%: the cultural context, the weight of a word, the nuance that doesn't survive a dictionary lookup. Features: Highlight-to-translate on any page, any Chinese text Tone coloring (tones 1–4 + neutral, color-coded per syllable) In-page highlights cached for session review CSV export of your session vocabulary Powered by the Anthropic Claude API (bring your own key) Built for: heritage learners, intermediate-to-advanced students, researchers, and anyone reading Chinese content who wants depth over speed.