Pre-submission check
Paste your draft. Get a sentence-level heatmap showing which lines read as model-generated. Free, no signup.
For Students · Pre-submission checks
Check your essay before your professor does.
See what an AI detector will see. If you wrote it yourself and it's testing AI-positive, fix the flagged sentences with your own voice, not a paraphraser.
- Free for essays up to 3,000 characters.
- Sentence-level view, see exactly which lines flag.
- Revision advice in your own voice, not rewritten text.
Why human essays get flagged, and how to fix it.
Here's a pattern we see every week: a student writes their essay themselves. They submit it. It gets flagged AI-positive by whatever detector their institution uses. Suddenly they're in a meeting defending work they actually did.
It happens most to non-native English writers, their careful, formal register has low perplexity and flat burstiness, which is exactly what classifiers look for. It also happens to students who overuse transition phrases ("moreover", "furthermore") they learned from IELTS prep. And it happens to anyone who writes a tight, polished draft without leaving in any of the idiosyncratic phrasing that marks human text.
The fix isn't to use a humanizer tool to scramble your essay. The fix is to know what signals are tripping the detector and edit those passages in your own voice. We built this hub to teach you how.
What you get as a student.
Voice coaching, not rewriting
We don't rewrite for you. We show you which sentences are flat and what kind of voice markers could humanize them, you keep authorship.
False-positive guidance
If your essay is human but flags AI-positive, we tell you why, and exactly which 3-5 edits will fix it.
Citation-aware
Properly quoted and cited passages are excluded from the score. Your MLA block quotes don't count against you.
Save your drafts
Free account gets revision history so you can compare before-and-after scores across edits.
Legit uses only
We're not a cheat tool. Our terms prohibit circumventing academic integrity, we're here to help you submit real work with confidence.
A simple pre-submission workflow.
1. Paste your draft.
Copy the essay from your doc into the detector. We scan 3,000 characters at a time, break longer papers into sections.
2. Read the heatmap.
Red sentences flag AI-positive. If one of them is actually yours, that's a false positive, look for what makes it flat (no hedges, no rhythm, no first-person markers).
3. Edit in your voice.
Break a run of long sentences with a short one. Add a hedge ("arguably," "in this case"). Make one claim personally. Re-scan.
4. Submit with evidence.
Export the post-edit PDF. If you're later questioned, you have timestamped evidence that you scanned the essay yourself and passed.
What students get
The same evidence your teacher will see.
<3s
Median scan
Pre-submission check before you click submit.
0.94
Academic AUC
The detector your faculty likely uses.
Free
Up to 3,000 chars
No signup, no credit card, no quota games.
PDF
Appeal-ready report
If you've been wrongly flagged, you can show your work.
Frequently asked questions
Is using this tool against my school's academic integrity policy?
No. Our AI detector is a review tool, you're checking your own work before you submit it, same as running Grammarly or reading it aloud. What is against most policies: (a) submitting AI-generated text as your own, and (b) using a 'humanizer' to disguise AI text. We don't do (a) and our humanizer is gated to legitimate editing uses.
What should I do if my essay is 100% mine but it flagged AI?
First, don't panic. False positives happen, especially to non-native English writers and to formal academic registers. Use the sentence-level heatmap to find which specific lines flagged. Rewrite those in your own voice, short sentences, hedges, personal phrasing. Re-scan. When you submit, consider letting your professor know you pre-checked (many appreciate the transparency).
Will my essay be stored or used to train AI?
No. Essays you paste in are processed in memory only, we don't retain the text, we don't train on it, and we don't share it with third parties. Signed accounts can opt-in to save drafts to their private history, but that's your choice and you can delete anytime.
Is the free version good enough to check a full essay?
For a standard 500-1,000 word essay, yes, paste the whole thing, get the full heatmap. For longer papers (dissertations, capstones), split into sections. Free accounts get unlimited scans up to 3,000 characters per scan; signed accounts get higher limits and revision history.
I used AI to help brainstorm but wrote the essay myself. What counts as 'AI-written'?
Our scoring is about which sentences read as model-native, not how you brainstormed. If you used GPT-4o to explore counter-arguments and then wrote the actual paragraphs yourself, the text should score as human. If you copied a paragraph the model drafted and then edited it lightly, parts of that paragraph will probably flag. The hybrid-draft ratio on our report tells you exactly how much is model-native.