Undetected.ai

Watch your score drop from red to green

AI humanizer that makes your writing read 100% human

Paste your text and Undetected.ai rewrites it into natural, human-sounding prose that keeps your meaning, and clears GPTZero, Turnitin, Originality.ai, Copyleaks and ZeroGPT. Watch the detection gauge flip to green before you copy.

The Humanizer

Try:
Tone
Strength:

Your text is never stored or used to train models.

Cleared. Reads 100% human.

Before · flagged as AI

After · reads human

·
See how it works

41,800+ writers and teams humanize their text with Undetected.ai

4.8/5 from 600+ writers, SEO teams and students
GPTZERO TURNITIN ORIGINALITY.AI COPYLEAKS ZEROGPT

8M+ words humanized this month

5 detectors one pass

100% Human meaning intact

Why writers switch

An AI humanizer built around proof, not promises

Most humanizers hand back rewritten text and hope. Undetected.ai shows you the cleared detection score, keeps your meaning intact, and clears all five major detectors in a single pass.

Clear every major AI detector

One rewrite, tuned against GPTZero, Turnitin, Originality.ai, Copyleaks and ZeroGPT at once. No whack-a-mole, no re-running your text tool by tool until something finally passes.

See the proof, don't guess

A built-in AI-detection gauge animates your score from red to green and shows a pass check for every detector, so you watch your writing clear the scanners before you copy a word.

Reads human, keeps your meaning

Natural rhythm and burstiness, your facts and argument intact. Undetected.ai rewrites the robotic patterns, not your point, so the output is prose a person would actually publish.

Stop false AI flags

Even genuinely edited writing gets wrongly flagged as AI. Undetected.ai clears those false positives so a bad verdict never costs you a ranking, a grade, or a client deliverable.

How to humanize AI text

From flagged to 100% human in three steps

No prompt engineering, no manual rewriting. You paste the text and Undetected.ai does the clearing, with the gauge showing the proof.

1

Paste your AI-written text

Drop in a blog post, email, essay, or product copy. Undetected.ai scans it and flags the robotic phrases and patterns the detectors catch.

2

Pick a tone and humanize

Choose Standard, Academic, Casual or SEO, set the strength, and humanize. The detection gauge sweeps from red to green as your text is rewritten.

3

Copy text that reads human

Get natural, human-sounding prose that keeps your meaning and passes GPTZero, Turnitin, Originality.ai, Copyleaks and ZeroGPT. Copy and publish.

Before and after

See the robotic tells rewritten into natural prose

This is the real output. The phrases detectors flag, the "Moreover," the "it is important to note that," the uniform rhythm, get rewritten into writing with the burstiness and voice of a person, while your meaning stays exactly where it was.

  • Robotic transitions and filler phrases removed
  • Natural sentence-length variation (real burstiness)
  • Your facts, argument and structure kept intact
  • Clears all five detectors in one rewrite
BLOG POST Human

Moreover, it is important to note that consistency is the key to building an audience over time.

Humanized

Consistency is what actually builds an audience. Show up, week after week, and it compounds.

MARKETING EMAIL Human

We are excited to announce that our new collection is now available for purchase.

Humanized

The new collection just dropped, and the first run never lasts long.

STUDENT ESSAY Human

In conclusion, the evidence clearly demonstrates that the policy had a significant impact.

Humanized

Taken together, the evidence makes the case hard to argue with: the policy changed things, and not at the margins.

From people who publish at volume

Writing that reads human, and clears the scanners

We draft with AI and edit hard, but Originality.ai still flagged half our posts. Undetected.ai clears them in one pass and the rewrite actually reads better than what we started with. The gauge flipping to green is weirdly satisfying.
DR Daniela R. Content lead, B2B SaaS
I publish at scale and a single AI flag can tank a page. Undetected.ai gets every post past GPTZero and ZeroGPT without turning it into synonym soup. It kept my meaning and my keywords intact.
MT Marcus T. SEO manager
My genuinely written essay got falsely flagged on Turnitin and I panicked. Undetected.ai cleared the false positive and the text still sounded like me. Seeing every detector turn green before I submitted was the relief I needed.
PN Priya N. Graduate student

Simple, paid plans

Plans that scale with how much you write

Every plan is a real, paid plan and includes all five detectors, the detection gauge, every tone, and meaning-preserving rewrites. Prices in USD, billed yearly.

Starter

Students and light writers

$9/mo

  • 15,000 words per month
  • All 5 detectors, one pass
  • The live detection gauge
  • Every tone and strength
Most popular

Pro

Content writers and freelancers

$19/mo

  • 80,000 words per month
  • Everything in Starter
  • Priority humanizing
  • Bulk paste, longer documents

Unlimited

SEO teams and agencies

$39/mo

  • Unlimited words per month
  • Everything in Pro
  • Fastest processing
  • Priority support

Prices in USD, billed yearly. Need seats, an API, or high volume? See all plans and Team.

Before you start

The questions writers ask first

Undetected.ai is tuned against all five major detectors at once: GPTZero, Turnitin, Originality.ai, Copyleaks and ZeroGPT. The built-in gauge shows the cleared score and a pass check for each one before you copy, so you never have to guess.
Yes. Undetected.ai rewrites the robotic patterns, not your point. Your facts, argument and structure stay intact, so the output reads natural and is still genuinely your writing, not damaged or off-topic text.
No. It writes with natural rhythm and burstiness, the way a person actually writes, instead of swapping in thesaurus words that read worse than the original. The result is prose you would be happy to publish.
No. Undetected.ai is for clearing false AI flags and making AI-assisted drafts read naturally and professionally. It is built for marketers, SEO teams, content writers and students who want their work to read human and avoid wrong verdicts.
Your text is never stored or used to train models. It is processed to produce your rewrite and then discarded.
Yes. Choose Standard, Academic, Casual or SEO, and set how light or strong the rewrite should be, so the output matches the piece you are working on.

Make your next draft read 100% human

Paste your text and watch the detection gauge flip from red to green, with every detector cleared, starting now.

Meaning kept · 5 detectors, one pass · Never stored or used for training