粘贴一次，算出可读性。
用专业人士使用的公式给你的写作打分：Flesch、Gunning Fog、SMOG、Dale–Chall 等。无需注册，无烦人广告。
- No signup
- Runs in your browser
- 18 languages
- Open formulas
Plain English for most adults (8th–9th grade).
- Words
- 241
- Sentences
- 14
- Avg words / sentence
- 17.2
- Syllables / word
- 1.48
浏览器内即时计算
在你输入时本地运行。无需等待，无需上传文本。
隐私优先
你的文本不会离开设备。不记录内容，不出售数据。
经典公式，精确实现
精心实现：包含权威 Dale–Chall 词表和经过验证的音节计数。
18 种语言
界面支持 18 种语言（含 RTL）。每个工具会标明支持的输入语言。
热门工具
所有工具 →Flesch Reading Ease Calculator
Classic 0–100 readability score.
立即试用Flesch–Kincaid Grade Level Calculator
U.S. grade level for your text.
立即试用Gunning Fog Index Calculator
Penalises complex (3+ syllable) words.
立即试用Reading Time Estimator
How long does your text take to read?
立即试用Syllable Counter & Analyzer
Total + per‑word syllable counts.
立即试用SMOG Index Calculator
Health & medical text grade level.
立即试用所有计算器
可读性评分
Flesch Reading Ease Calculator
Classic 0–100 readability score.
立即试用Flesch–Kincaid Grade Level Calculator
U.S. grade level for your text.
立即试用Gunning Fog Index Calculator
Penalises complex (3+ syllable) words.
立即试用SMOG Index Calculator
Health & medical text grade level.
立即试用Coleman–Liau Index Calculator
No syllables needed — just characters.
立即试用Automated Readability Index (ARI) Calculator
Character‑based grade level estimate.
立即试用Dale–Chall Readability Calculator
Uses the classic 3,000 familiar‑word list.
立即试用Fry Readability Graph Calculator
Visual plot — sentences vs. syllables / 100 words.
立即试用Raygor Readability Graph Calculator
Like Fry but using letters per 100 words.
立即试用FORCAST Readability Calculator
For technical / non‑narrative text.
立即试用Linsear Write Readability Calculator
Easy vs. hard word weighting (Air Force origin).
立即试用LIX Readability Calculator
International (Swedish‑origin) index.
立即试用文本分析
Lexical Density Calculator
% content words vs. function words.
立即试用Lexical Diversity (TTR) Calculator
Vocabulary variety — type‑token ratio.
立即试用Syllable Counter & Analyzer
Total + per‑word syllable counts.
立即试用Passive Voice Detector
Highlight passive sentences in your writing.
立即试用Sentence Length & Variety Analyzer
Sentence length stats and variety score.
立即试用Word Frequency Analyzer
Top words with optional stopword filtering.
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