Readability Checker
Check how easy your writing is to read. For English text
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Flesch Reading Ease (0–100, higher = easier)
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Flesch-Kincaid Grade
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Gunning Fog Index
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Words
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Avg. Words / Sentence
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Avg. Syllables / Word
Scores are estimates based on sentence length and a syllable-counting heuristic. Short texts give rough results.
How to use
- Paste English text (a few sentences or more works best).
- Read the verdict badge and scores — they update live.
- Aim for Reading Ease 60–70 and shorter sentences for general readers.
Frequently Asked Questions (FAQ)
What scores does the Readability Checker show?
Flesch Reading Ease, Flesch-Kincaid Grade Level and Gunning Fog scores, plus a plain-English verdict on your text.
How much text do I need?
Paste at least a few sentences for a reliable score — longer text gives a better result.
Is my text uploaded anywhere?
No, the analysis runs entirely in your browser; your text is not sent to any server.
Is it free to use?
Yes, it is completely free with no signup required.