An AI detector for students checking their own work

If you want to see how your essay reads to an AI detector before you hand it in, paste it below. This AI detector for students is free, needs no account and keeps your essay in your own browser. Further down: how to read the result, and what to do if your own writing gets flagged.

Why students check here

• Free, with no sign-up. No account, no email and no credit card. No credits, no daily cap, no paywall and no premium tier, so you can check every draft.
• No word or character limit. A short answer, a 3,000-word essay or a whole dissertation goes in as one check.
• Nothing is uploaded. The check runs in your browser, so your essay never leaves your device.
• Your essay is never stored, shared, sold or used to train anything. We never receive it, so checking here never creates a copy anywhere else.
• Every word is scanned, never a sample.
• A report that explains itself: an AI-likeness score, sentence-by-sentence highlights, style notes with one-click plainer wording, and a hidden-character and look-alike-letter cleaner.
• Opens .docx files (and .txt) right in the browser.
• No ads where you paste text.

Why students check their own work

Plenty of students write every word themselves and still worry. Their school runs a detector, and they've heard about people being wrongly flagged. A self-check gives you something concrete in place of that worry. It shows you which passages read most like AI within your own text, so you know where a reader's eye might land, and the style notes point out stock phrasing you might want to change anyway.

How students can use an AI detector before submitting

1. Copy the body of your essay, leaving out the title page and reference list.
2. Paste it into the box above, or open your .docx file.
3. Press Check for AI.
4. Read the outcome and its confidence word, then the AI-likeness line.
5. Open the sentence map to see which passages score highest compared with the rest of your essay.
6. Look through the style notes and accept any plainer wording you agree with.
7. Whatever the result, keep your drafts and your document's version history until the grade is final. You can save the report as a PDF to keep with them.

If your own writing comes back “AI”

First, don't panic, and don't feed your essay to a paraphrasing or “humanizer” tool. It can flatten your voice, and you would then be handing in text you didn't fully write, which is harder to explain if anyone asks. Our post on whether AI humanizers work goes into this.

Look at what scored highest. Formal, formulaic passages are the usual suspects: a textbook definition, a summary of a source, a tidy concluding paragraph. None of that means you did anything wrong. You can revise a passage if you think it reads stiffly, as you would for any reader, and the style notes give you plainer wording for stock phrases in one click. There is no need to make your writing worse on purpose.

Then gather your evidence of process: earlier drafts, outlines, notes, the sources you read, and the version history of your document. If someone raises a concern, that record carries far more weight than any detector score. Our post on what to do if you're wrongly flagged walks through the conversation.

If it comes back “Human”, “Mixed” or “Inconclusive”

Human means your essay didn't clear the AI cut-off. Mixed points at one stretch of the essay, usually 120 words or more, that scored as AI while the rest didn't, so read that passage first; it is often the most formal section, such as a literature summary. Inconclusive means the evidence pointed both ways, and the detector says so, with its reason, instead of guessing. You don't need to change anything to “fix” an Inconclusive result.

Dissertations and long assignments

Because there's no word limit, a dissertation or a long project report goes in whole, with no splitting. Chapters are found from their headings, so you get a result for each chapter and a menu to jump between them. See the long documents page for tips on laying out a thesis.

Using AI tools within your course rules

Courses differ on AI. Some allow help with brainstorming or grammar, while others ban it outright. Follow your course's rules, and disclose what you used where you're asked to. Your disclosure and your drafts are what show an allowed use for what it is. The essay checker page has more on preparing an essay for a check.