Essay Checker

Check an essay for the sentence patterns that trigger AI-writing flags, with each one explained. Free, unlimited, no sign-up.

0 words

Tested against

  • Turnitin
  • GPTZero
  • Originality.ai
  • Copyleaks
  • ZeroGPT
  • Winston AI
  • Scribbr
  • Writer
  • Sapling
  • Crossplag
  • Content at Scale

This is a checker, not a grader. It says nothing about your argument, your evidence or your grade. What it measures is the statistical texture of the prose, sentence-length variance, word predictability, stock connectives, vocabulary range, which is the same family of signals every AI writing indicator looks at.

That matters most if you wrote the essay yourself and got flagged anyway. False positives in this category fall hardest on non-native English writers and on anyone who writes in a plain, even style. Seeing which sentences are driving the reading lets you defend the ones you stand behind.

FAQ

Neither. It checks for the linguistic signals associated with machine-generated prose. Use a grammar checker and a plagiarism checker alongside it, not instead of it.

That happens, and it is the single biggest problem with this whole category. Look at which sentences fired, usually it is even rhythm and abstract phrasing, both of which are stylistic habits, not evidence. Vary your sentence lengths and add concrete detail, and keep your drafts and notes.

No. Paste a 10,000-word dissertation chapter if you want. The sentence analysis runs in your browser, so length costs nothing.

The writing analysis and your Style DNA run in your browser. For a real AI score, the text you check is sent to an AI-detection provider, and we never store it. When you rewrite on a paid plan, the draft is sent to our server, rewritten and sent back without being stored. AI features (rewriting, humanizing and Copilot) send the text to Cloudflare Workers AI, which processes it and doesn't keep it.

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