Readability checker that explains itself

Most checkers give you a score. This one shows you which sentences are hard to read, and why — in plain language.

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Flesch Reading Ease

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What does this mean?

Flesch-Kincaid Grade

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Gunning Fog

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Words
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Sentences
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Avg. sentence length
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Passive Voice Finder

Find every passive-voice sentence in your text at a glance.

Sentence Length Visualizer

See the rhythm of your writing as a chart of sentence lengths.

Word Counter

Live word, character, and reading-time counts, plus common platform limits.

Compare Drafts

Made edits based on what you found here? See a word-level diff and exactly what the edit did to the readability score, sentence length, and passive-voice count.