Reading Level Analyzer
Six readability formulas — Flesch Reading Ease, Flesch–Kincaid, Gunning Fog, SMOG, Coleman–Liau and ARI — plus highlighting for long sentences and complex words.
Runs 100% in your browser · nothing you enter is uploaded
How to use it
- Paste your text (100+ words gives stable results).
- Read the scores and the plain-English verdict.
- Shorten highlighted sentences to improve readability.
Questions
What is a good Flesch score?
60–70 is plain English; social posts often aim for 70+.
How are syllables counted?
With a rule-based estimator, accurate for most English words within ±1.
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