Estimate lexical density: the ratio of content words to total words. Higher density = denser, more academic text.
未针对 简体中文 设计
该工具针对英语（和一些相近语言）校准。简体中文 的结果可能不准确。
Lexical density is the proportion of content words (nouns, verbs, adjectives, adverbs) to total words.
Higher density is typical of formal, academic, or technical text. Lower density indicates more conversational or narrative prose.
This tool approximates content vs. function words using an English stopword list — sufficient for most diagnostic use.
The proportion of content words (nouns, verbs, adjectives, adverbs) to total words. Function words (the, of, and) are excluded.
Speech: 35-45%. Conversational writing: 40-50%. News articles: 50-55%. Academic writing: 55-65%.
Vocabulary variety — type‑token ratio.
analysisTotal + per‑word syllable counts.
analysisHighlight passive sentences in your writing.
analysisSentence length stats and variety score.