TEXT ANALYSIS TOOL
Text Readability Analyzer
Paste your text to instantly get Flesch-Kincaid, Gunning Fog, SMOG, and Coleman-Liau readability scores with audience-level recommendations.
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Overall Reading Level
Elementary
Middle School
High School
College
Graduate
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Words
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Sentences
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Avg Words/Sent
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Avg Syllables/Word
0%
Complex Words
Readability Scores
Flesch Reading Ease
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0-30 very hard, 60-70 standard, 90-100 very easy
Flesch-Kincaid Grade
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US grade level needed to understand
Gunning Fog Index
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Years of education needed
Coleman-Liau Index
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Based on character counts
SMOG Index
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Years of education needed (30+ sentences ideal)
| # | Sentence | Words | Syllables | Difficulty |
|---|
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Frequently Asked Questions
Is the Readability Analyzer free?
Yes — completely free, no signup, no account, no usage limits.
Is my data private?
Yes — all processing runs in your browser and nothing is sent to a server.
Which scoring algorithms are used?
Flesch-Kincaid grade level, Flesch reading ease, Gunning Fog index, SMOG, and Coleman-Liau. Each weights syllable count, sentence length, and word complexity differently.
Is one score better than another?
Not really — they correlate strongly but disagree on edge cases. Flesch-Kincaid is the most widely cited; SMOG is more conservative for short texts.