Readability Score
Calculate readability scores — 6 formulas with grade levels
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Sentences
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Words
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Syllables
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Avg Words/Sentence
Flesch Reading Ease
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Flesch-Kincaid Grade
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Gunning Fog Index
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Coleman-Liau Index
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SMOG Index
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Automated Readability
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How to Use Readability Score
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View scores
See readability scores from 6 formulas.
Interpret
See grade level and difficulty rating.
Why Choose AllTools Readability Score?
- ✓ 100% free, no account needed
- ✓ 6 readability formulas
- ✓ Grade level interpretation
- ✓ Color-coded scores
- ✓ Word/sentence stats
- ✓ No data stored or transmitted
Why Use This Tool
- ★ No data leaves your browser — text stays private on your device
- ★ Real-time processing with instant results
- ★ No account or sign-up required
- ★ Completely free with no character or word limits
- ★ Works on any device with a modern browser
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Frequently Asked Questions
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