Free paste-and-scan workflow
Paste text into the detector and run a scan without creating an account. The homepage emphasizes unlimited free words and no signup required.
Turnitin AI Detector
Turnitin AI Detector is a web-based AI text detection tool that lets users paste text, scan for AI-generated content, and review sentence-level rewrite suggestions in AI Spotter. It is positioned for students, educators, writers, and editors who need a quick no-signup check.
Turnitin AI Detector overview
Turnitin AI Detector is a web-based AI text detection tool from turnitin.app. It lets users paste text into a detector, run a scan, and review whether the content appears AI-generated, with the homepage highlighting support for ChatGPT, Claude, Gemini, Grok, and similar models.
The product is positioned for students, educators, writers, and editors who want a quick way to check text before submission or publication. It also includes an Advanced Mode on the homepage and a separate AI Spotter page that focuses on sentence-level detection and rewriting suggestions for text that sounds robotic or overly polished.
Core features
Advanced Mode
The homepage offers an Advanced Mode described as aiming for a “100% consistent Turnitin report,” indicating a separate detection mode beyond the basic scan.
Fast detection results
The homepage says results are delivered instantly using its AI detection technology, so the product is built for quick checks rather than manual review.
Privacy-first processing
The site says text is processed securely and never stored on its servers, which addresses basic privacy concerns for submitted content.
Sentence-level AI Spotter
The AI Spotter page highlights sentence-level scanning, flagging phrases that sound AI-generated and giving rewrite suggestions for each flagged sentence.
Rewrite suggestions with tone options
AI Spotter offers multiple rewrite styles such as more casual, more professional, more engaging, shorter, or longer, while preserving the original meaning and facts.
Common use cases
Pre-submission essay check
A student can paste an essay before submission to see whether the text appears AI-generated and whether a more natural rewrite is needed.
Classroom review
An educator can review student work for AI-like text patterns before grading, using the detector as a quick screening step.
Polishing drafted content
A blogger, marketer, or editor can scan a draft to find sentences that sound robotic and then use AI Spotter rewrite suggestions to make the copy read more naturally.
Humanizing AI-assisted writing
A writer can compare an AI-assisted draft against the sentence-level suggestions to preserve facts and tone while reducing obvious AI phrasing.
Ad hoc content screening
A support or editorial team can use the no-signup workflow for fast, repeat checks without setting up accounts for every review.
Pros and Cons
Pros
- No signup is required for basic use.
- The homepage states scans are unlimited and free.
- The site presents both whole-text detection and a sentence-level AI Spotter workflow.
- The product claims secure processing and says submitted text is not stored on its servers.
- The AI Spotter page provides rewrite suggestions instead of only flagging text.
Cons
- The pricing page returns a 404 in the provided sources, so pricing and plan details are not visible from the site pages supplied.
- Advanced Mode is mentioned, but the available sources do not explain how it works in detail or what outputs it changes.
- The sources do not show integrations, export formats, or API access.
FAQ
How does Turnitin AI Detector work?
It is a web-based AI text detector where you paste text, run a scan, and review whether the content appears AI-generated. The site also offers an Advanced Mode and a separate AI Spotter page for sentence-level rewriting help.
Is it free to use?
Yes. The homepage states “Unlimited Free Scans & No signup required,” and the contact page also points users to the FAQ before contacting support.
Is my text stored after I run a scan?
The site says your data is processed securely and never stored on its servers.
What kinds of AI-generated text does it mention?
The homepage says it works with ChatGPT, Claude, Gemini, Grok, and more. The AI Spotter page also mentions support for content drafted from tools such as ChatGPT, Claude, and Gemini.
Is there a pricing page or support contact?
The contact page says the team typically responds within 24 hours on business days. The pricing page returned a 404, so no separate pricing details were available from the provided sources.
Quick Facts
- Category
- AI text detection
- Platform
- Web app
- Primary users
- Students, educators, writers, editors
- Source domain
- turnitin.app
- Pricing
- Free basic use stated; pricing details unavailable from provided sources
- Related workflow
- Paste text to detect AI output; use AI Spotter for sentence-level rewriting
Turnitin AI Detectorの代替品
Sightengine
Sightengineは、画像・動画・テキスト・音声をモデレートし分析するAPIプラットフォームです。安全でない、合成、ポリシー制限対象のコンテンツを検出し、結果に基づく処理を自動化できます。
Quillbot
Quillbotは、言い換え、文法チェック、要約、引用生成、独自性チェック、コンテンツ作成まで支援するAIライティングアシスタント。ブラウザ拡張や各種アプリでWeb、デスクトップ、モバイル、Wordに対応。
ZeroGPT
ZeroGPT is a web-based AI content detector and writing toolkit for identifying likely AI-generated text, reviewing highlighted passages, and supporting editing workflows. It also offers related tools such as a plagiarism checker, paraphraser, humanizer, summarizer, translator, and API access.
MyDetector
MyDetector is a web-based AI detector and writing assistant for checking whether text appears human-written or AI-generated. It also includes an AI Humanizer and essay-focused review workflow for users working with essays, reports, and other content.
Wordvice AI
Wordvice AI is a web-based AI writing assistant and text editor for proofreading, paraphrasing, translation, summarization, plagiarism checking, and AI detection. It also includes a document editor, ChatPDF, and team plan options.
GPTZero
GPTZeroは、教育者、チーム、開発者向けのAIコンテンツ検出と文章検証ツールです。AI生成、混在執筆、引用の問題をチェックし、教室・業務フロー・API連携に対応します。