Humanize AI text · Humanize AI

Humanize AI writing from any model in one pass

Whatever model you used, the output shares the same fingerprints: uniform pacing, predictable phrasing, and a tone that reads slightly off. Those patterns are exactly what AI detectors are trained to catch.

Undetected.ai is built to humanize AI writing from any source. It smooths the tells, restores natural variation, and keeps your meaning whole. The result is prose that reads like you wrote it, and our own AI-pattern score for the draft and the rewrite side by side.

The Humanizer

Live rewrite

Paste your AI-written text

Try:

Tone

Strength:

2 free runs a day, up to 200 words each. We save your run so you can get back to it, and a delete button appears with the result. See privacy.

AI-pattern score

This is our own AI-pattern score, measured here on sentence rhythm, template phrases, vocabulary variety and passive voice. It is not a GPTZero, Turnitin, Originality.ai, Copyleaks or ZeroGPT result, and it does not predict one. Worth knowing: we also ask the rewrite to vary sentence length, drop template phrases and prefer the active voice, so some of the drop is built in. Read the two panels below, not just the number.

Before ·

After ·

Create a free account

Humanize my text See it run

Meaning kept · Your own text rewritten · Saved to your history, delete any time

GPTZERO TURNITIN ORIGINALITY.AI COPYLEAKS ZEROGPT

Our own score before and after

Your text meaning intact

Why it works

What you get when you humanize AI writing

Works with any model

ChatGPT, Claude, Gemini, or anything else. Undetected.ai targets the shared patterns that detectors flag, so any AI draft comes out reading human.

Working shown, not promised

The gauge shows our AI-pattern score before and after, and lists what earned it: the template phrases found in your text, how little the sentence lengths varied, how narrow the vocabulary was.

Readable by design

The output is genuinely natural prose, not word salad. Your meaning stays put while the robotic rhythm disappears.

What it handles

Natural prose, with the proof on screen

You paste the text and pick a tone. Undetected.ai rewrites the robotic patterns, keeps your meaning, and shows our AI-pattern score before and after.

Humanizes output from any AI model
Our AI-pattern score, before and after
Meaning preserved, not mangled
The reasons behind the score, in plain words
Natural tone, ready to use

Humanize my text

HUMANIZE AI Human

Before, flagged as AI

Moreover, it is important to note that this approach delivers a significant impact across the board.

Humanized

This approach actually moves the needle, and you feel the difference right away.

GPTZero Turnitin Originality.ai Copyleaks ZeroGPT

Why Undetected.ai

Readable output, and the measurement in view

Not word-salad that beats one scanner and reads worse. Natural prose that keeps your meaning, rebuilt sentence by sentence.

Our AI-pattern score, before and after

Four measured signals (sentence rhythm, template phrases, vocabulary variety and passive voice) scored on your draft and on the rewrite, with the reasons behind each number. It is our own measure, not a GPTZero, Turnitin, Originality.ai, Copyleaks or ZeroGPT reading, and we have no access to those services.

See the score change

The gauge animates from our AI-pattern score for your original to the score for the rewrite, with the reasons behind both numbers.

Keeps your meaning

Your facts, argument, and structure stay intact. Undetected.ai rewrites the robotic rhythm, not your point, so the output is publishable as is.

Good questions

Questions about humanize ai

No. Undetected.ai targets the patterns common to AI writing, so it works on output from ChatGPT, Claude, Gemini, or any other model and returns natural, human-reading prose.

You see your own text next to its rewrite, and our AI-pattern score for each, with the reasons behind both numbers. That is our measurement, not a verdict from GPTZero, Turnitin or any other detector, and we do not have access to those.

Read every question we get

Explore more