Readability Checker
Score your text with Flesch–Kincaid, ARI, Coleman–Liau, and Gunning Fog.
What these scores mean
- Flesch Reading Ease — 0–100. Higher is easier. 60–70 is the sweet spot for general web copy.
- Flesch–Kincaid Grade — US grade level. Most consumer copy targets 7–9.
- ARI & Coleman–Liau — grade levels that use characters instead of syllables (less affected by syllable-counting errors).
- Gunning Fog — emphasises long words. Lower is friendlier.
Syllable counts use a vowel-group heuristic — accurate enough for scoring, but not for, say, poetry.
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