Copyleaks flagged your writing? Rewrite AI-assisted text in a natural voice, check the built-in AI score, and understand what a humanizer can and cannot change in a Copyleaks report.
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Turn AI drafts into clear, natural writing
Refine mode keeps your meaning but improves tone, flow, and clarity.
Paste your AI-generated or rough draft here…
💡 Tip: Press Ctrl+V to paste or drag & drop a .txt file
How it works
Start with the paragraphs Copyleaks highlighted rather than the whole document. That keeps the rest of your writing exactly as it is.
PureWrite rebuilds sentence structure and rhythm in a natural voice. Paid plans also let you pick the output language.
Read the built-in AI score, then run the final version through Copyleaks yourself if you have access.
Most people never choose Copyleaks. It is switched on for them, and who switched it on decides what happens after a flag.
| Copyleaks | Percentage-style detectors | |
|---|---|---|
| Result | A headline verdict on whether AI content was found, with highlighted passages | A single AI percentage or probability |
| Languages | More than 30 languages, according to Copyleaks | Mostly English; Turnitin's humanizer check is English only |
| Plagiarism | A separate plagiarism scan in the same product | Separate product or not offered |
| Where it lives | LMS plugins, extension, API, web app | Web apps (see GPTZero) or school portals (see Turnitin) |
Copyleaks details from copyleaks.com, checked October 20, 2026. Copyleaks changes its product often; check its site for current terms.
The multilingual detail matters more than it looks. Copyleaks says its AI detector covers more than 30 languages and keeps false positives low for non-native English text. If you draft in one language and translate into English, the translated text can still come out with the flat, regular rhythm detectors associate with AI. A rewrite that varies sentence length and word choice helps there, whoever wrote the first draft.
A Copyleaks report can contain two different problems, and a humanizer only addresses one of them.
| Signal | What triggers it | Does humanizing help? |
|---|---|---|
| AI content | Predictable word choice and an even sentence rhythm | Yes. This is what PureWrite rewrites. |
| Plagiarism match | Text that matches a published source | No. Quote it, cite it, or write it in your own words from your notes. |
Running copied text through any rewriter to dodge a plagiarism match is still plagiarism. The fix is citation. Our guides on paraphrasing without plagiarizing and free plagiarism checkers cover that side.
Copyleaks updates its model regularly, so a screenshot from last year proves nothing. If you have access to Copyleaks, test with the kinds of writing you actually submit:
| Sample | Why it is a good test |
|---|---|
| ESL essay paragraph | Tests whether rhythm, not grammar, is what Copyleaks reacts to |
| Business report section | Formal register with numbers that must survive the rewrite |
| Discussion post | Short, casual text where detectors are least reliable |
Scan each sample before and after on the same day and note the date. Check that every fact and number survived.
Between runs, our AI detector gives a quick read without using up Copyleaks credits. PureWrite is designed to pass Turnitin, GPTZero, ZeroGPT, Originality.ai and Copyleaks, but no tool can promise how Copyleaks will score a specific text.
Use it responsibly
PureWrite is for your own drafts and for AI-assisted writing your school, client or employer allows. If Copyleaks flagged writing you did yourself, keep your drafts and version history, and see whether AI detectors are accurate before you respond. Our ethical use policy has the rest.
Pure Write Team
Updated October 2026
Why trust this guide
We build both sides of this problem: a humanizer that rewrites AI text and an AI detector that scores it. That means every guide here is written by the same team that tunes the engine against the patterns AI detectors flag, so the advice reflects what actually passes today, not last year.
FAQ
Copyleaks publishes high accuracy figures for its own detector, but independent studies of AI detectors keep finding false positives and disagreement between tools. Treat a Copyleaks flag as a signal to look closer, not as proof. Our guide on whether AI detectors are accurate covers the research.
More free tools
Comparing AI humanizers? See PureWrite vs Undetectable AI, QuillBot, StealthGPT, WriteHuman, Walter Writes, Humbot, GPTinf and NaturalWrite, or browse all AI humanizer alternatives.
Unlock the full result
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Paste the flagged passage, humanize it, and check the AI score before you resubmit.
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