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TextSight

Free AI detector and AI humanizer: find AI-sounding sentences, rewrite them and recheck in one place.

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What is TextSight?

TextSight is a free AI detector and AI humanizer that shows which sentences in your text read as AI-written, then helps you rewrite them so they sound more natural. It checks text from ChatGPT, Claude, Gemini and Llama. Every scan gives you an AI probability, a 0-100 Humanization Score and a flag on each sentence.

What does TextSight do? Paste your text or upload a Word, PDF, .txt or .md file. TextSight marks the sentences that sound AI-written, you humanize only those lines, then you recheck the result in the same place. No copying text between an AI checker and a separate humanizer.

Is TextSight free? Yes. You get 3 free checks a day with no signup and no card. Paid plans start at $7.49 a month billed yearly, or $9.99 month to month.

How accurate is the TextSight AI detector? In our own benchmark of 1,180 human-written papers from 2018, TextSight wrongly flagged 5.85% of them. The data and method are public. Like every AI detector, it gives a probability, not proof.

How is TextSight different from GPTZero, ZeroGPT and Originality.ai? Most AI detectors stop at the score. TextSight carries on into the rewrite and the recheck, so it works as an alternative to GPTZero, ZeroGPT, Copyleaks or Originality.ai if you also want help with the flagged lines. It also works as an alternative to QuillBot or WriteHuman if you want to see your score before and after you rewrite.

Who is TextSight for? Students checking essays before they submit, writers and bloggers, SEO and marketing teams, and educators who want sentence-level evidence as one signal rather than a verdict.

Where can I use TextSight? On the web, in the free Chrome extension, and on iOS and Android. The AI Humanizer works in 50+ languages and the AI detector is optimized for English. Pro plans also include API access.

What can TextSight do?

  • Sentence-level AI Detection

    Identifies specific sentences most likely to be AI-written with color-coded confidence scores.

  • AI Humanizer

    Rewrites flagged sentences to sound more natural while preserving the original meaning and tone.

  • Humanization Score

    Provides a 0-100 score indicating the naturalness of your writing, which changes as you edit.

  • Rewrite Suggestions

    Offers one-click suggestions to improve only the sentences that require work.

  • Integrated Workflow

    Combines detection, humanizing, and rechecking in a single process without switching tools.

  • Chrome Extension

    Detects and rewrites AI text directly within any web page you are reading or writing.

Who is TextSight for?

Students
Students can check essays for AI-like passages and improve awkward wording while preserving their original arguments and ideas.
Writers & bloggers
Writers and bloggers can identify robotic or repetitive sentences and rewrite them to maintain their unique voice.
SEO & marketers
SEO and marketing teams can review AI-assisted content to enhance clarity, naturalness, consistency, and brand voice before publication.
Educators
Educators can review sentence-level AI indicators as one signal to inform discussions with students, rather than as definitive proof.
Free

TextSight is free to use.

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