Paste your writing to instantly compute the same readability formulas editors and SEO tools rely on — Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog, SMOG, and Coleman-Liau.
Your text
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words
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sentences
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syllables
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avg words/sentence
Overall verdict
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Detailed scores
Flesch Reading Ease
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Flesch-Kincaid Grade Level
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Gunning Fog Index
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SMOG Index
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Coleman-Liau Index
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Automated Readability Index
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Runs entirely in your browser — nothing you type here is sent anywhere. These are the same well-established formulas (Flesch, Gunning Fog, SMOG, Coleman-Liau, ARI) used across the web and in word processors; syllable counting uses a standard English heuristic and can be off by a little on unusual words.