Undetected.ai

Humanize AI text · AI humanizer online

AI humanizer online that works right in your browser

An online humanizer should just work the moment you open the page. No download, no plugin, no account before you have seen a single result. You paste your text, you watch it change, you copy it.

0 / 200 words

That is more than 200 words, which is what a run without an account takes at once. Trim it, or it will stop at the limit on the next page.

No sign-up to see your result. 2 free runs a day, up to 200 words each.

Undetected.ai is an AI humanizer online from start to finish. You use it in your browser, it rewrites AI-generated text into natural prose, and animates our own AI-pattern gauge from the score on your draft to the score on the rewrite before you copy a word.

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 text online

Nothing to install

You use the whole humanizer from your browser, and the rewrite is made on our servers. Open the page, paste your text, and humanize, on any device, with no software to download or set up.

See it work online

The gauge and the reason list animate right on the page, so you read the rewrite immediately instead of waiting for a file or an email.

Meaning kept, ready to paste

The online rewrite preserves your facts and argument and returns natural prose you can copy straight into your document or post.

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.

  • Works from any browser
  • No download, plugin, or setup
  • Our AI-pattern gauge on screen
  • Works on desktop and mobile
  • The reasons behind the score, in plain words
AI HUMANIZER ONLINE 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 ai humanizer online

No. Undetected.ai is a fully online AI humanizer that you use in your browser. You paste your text, humanize it, and copy the result, with nothing to download or install.
Yes. Because the humanizer is online, it works in any modern browser on desktop, tablet, or phone, with the same AI-pattern score and meaning-preserving rewrite.

Explore more

More ways to humanize AI text

Further reading: What a free AI humanizer really gets you · Best AI humanizer in 2026, compared · What is an AI humanizer and how does one work?

Make this draft read like you wrote it

Paste your own text and watch our AI-pattern gauge move from the score on your draft to the score on the rewrite, meaning kept intact.

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

Create a free account