AI writing checker

Paste your text, hit Check, and see the AI tells with fixes. Free · private · in your browser.

Human score

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AI tells found

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Sentence rhythm

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Your text

Highlighted

red = strong AI tell · amber = suggestion · hover for why

Highlighted output appears here.

What we found

Run Check to see flagged patterns and suggestions.

Heuristic checker · patterns from Wikipedia "Signs of AI writing" (33) + sentence-rhythm stats. Free tier runs entirely in your browser — no AI, no upload.