Text Similarity Checker

Compare text similarity with three classic algorithms in parallel: Jaccard, Cosine, and Levenshtein. Sentence-level highlight. Fully browser-based.

All processing happens locally in your browser — nothing is uploaded

· 三算法并行 · 全程浏览器本地

文本 A (原文)0 字

文本 B (对比)0 字

算法说明

· Jaccard:词集交集除并集 —— 对改写顺序不敏感,但无视词频

· Cosine:词频向量夹角 —— 综合考虑词频分布,抄袭检测主指标

· Levenshtein:字符级编辑距离 —— 对同义替换敏感,段落级通用指标(大文本截 2000 字)

· 综合分 = Cosine×0.5 + Jaccard×0.3 + Levenshtein×0.2

· 适用于论文查重自查、公众号洗稿识别、短文本版权比对

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