Readability Checker
Paste any text to instantly get its Flesch Reading Ease score, US grade level, average sentence length and complex-word count — with tips to make it clearer. Free readability tool, private in your browser.
How to use the Readability Checker
- 1
Paste your text into the box.
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Read your reading-ease score and grade level.
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Check sentence length and complex-word counts.
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Apply the tips and re-check to improve.
Frequently asked questions
What is a good readability score?
For general web writing, aim for a Flesch Reading Ease of 60–70 (roughly an 8th-grade level). Higher is easier to read.
How is it calculated?
It uses the Flesch Reading Ease and Flesch–Kincaid Grade formulas, based on average words per sentence and syllables per word.
Is my text uploaded?
No — all analysis happens in your browser and nothing is sent to a server.
Tips & discussion
Share a trick, ask a question, or help others get more out of this tool.
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