Free AI-tell checker

Updated 2026-09-20 · runs in your browser · nothing you paste leaves this page

Paste a paragraph. You get back the specific phrases and rhythms that make it read as generated, sorted by how much they stand out. No account, no upload, no word limit.

Examples of what it flags: stacked transitions, the "not just X, but Y" shape, rule-of-three lists, unattributed statistics, and every sentence running the same length.
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What stands out

TellHits

Where it sits in your text

How to use the result

What this is and is not. It is a style checker built on patterns readers notice. It is not an AI detector, and it cannot tell you who or what wrote a piece. Detectors disagree with each other on the same text, which is why we do not sell ours as a way to pass them. A low score here means the prose reads like a person wrote it, nothing more.

Fixing it

Manual passes work on the word rows. The rhythm rows are harder: sentence length and paragraph length stay flat because they were generated in one pass, and swapping individual words does not change that. ShipCopy rewrites a draft in one go and also shows you which tells it removed, so you can keep the ones that are actually your voice.

See what ShipCopy does

Want the checklist as an email?

Send the 12 AI tells, with the three that get caught most often, to your inbox. One email. Unsubscribe from the footer of any message.

Questions

Is my text stored anywhere?

No. The check runs in your browser with JavaScript on this page. Nothing is sent to us, and the tool keeps working if you go offline after the page loads.

Why does a low score still have hits?

Every one of these patterns appears in writing by people. A single "However" is not a problem. A document where six different tells repeat is.

Which is more reliable, this or an AI detector?

Neither predicts the other. Detectors score the same paragraph differently from each other. This tool reports what a reader would notice, which is the part you can actually act on.