AI Content Detector
Check submitted content for AI-writing signals, with a per-sentence breakdown you can send back to the writer. Free.
A percentage is a bad basis for that conversation, because you cannot show the writer what you mean. A heatmap with named signals is a much better one, it turns an accusation into a specific, answerable editorial note.
The practical workflow: scan, look at whether risk is concentrated or spread, and check what is firing. Even rhythm plus stock transitions across an entire piece is a different signal from two flagged paragraphs in an otherwise varied draft.
FAQ
We would advise against using any detector as the basis for a decision. Use it to decide whether to ask a question.
One document at a time in the browser. There is no batch mode or API yet.
They are common across every tool in this category, and they fall hardest on non-native English writers. A high score is a reason to read carefully, not a finding.
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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