Readability checker
Paste your text and see how easy it is to read — Flesch Reading Ease, grade level, Gunning Fog, SMOG and more. We flag long sentences and passive voice as you type. Nothing is uploaded.
Your text
Type or paste some text above to see your readability scores.
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Flesch Reading Ease
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Average grade level
About the U.S. school grade needed to read it on the first try.
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Flesch-Kincaid Grade
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Gunning Fog
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SMOG Index
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Automated Readability (ARI)
0Words
0Sentences
0Syllables
0Characters
0Complex words (3+ syllables)
0Avg words / sentence
What to look at
Long sentence: 0
Likely passive voice: 0
Your text, annotated
Everything is analysed in your browser. No upload, no sign-up.
How it works
STEP 1
Paste your text
Drop in an article, email, essay or product copy. A few sentences is enough; more is more reliable.
STEP 2
Read the scores
See Flesch Reading Ease, Flesch-Kincaid, Gunning Fog, SMOG and ARI, plus an average grade level.
STEP 3
Fix the flags
Long sentences and likely passive voice are highlighted. Shorten and rewrite them to read easier.