AI + Human Text Analysis · Free
DetectAI Generated
Content Instantly
Paste any text to check if it was written by ChatGPT, Claude, Gemini, or other AI tools. Get deep sentence-level analysis in seconds.
10M+
Texts Analyzed
98%
Accuracy
195+
Countries
Free
Always
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AI Content DetectorWords:0· Characters:0
Min. 50 characters recommended
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AI Powered · Free
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Instant Detection
Results in seconds. Advanced AI analysis — fast, accurate and free.
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Sentence Level
See exactly which sentences are AI-generated vs human-written with color highlights.
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Privacy First
Your text is never stored. Analysis happens in real-time and is discarded immediately.
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AI Score
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Content Breakdown
Highlighted Analysis
AI Generated
Human Written
Mixed
Sentence-by-Sentence Analysis
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Humanizador de IA VerifierProWords:0· Characters:0
Works best with 50–2000 words
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AI patterns removed instantly
✅ Humanized ResultReady
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Plagiarism CheckerWords:0· Characters:0
Min. 20 words for accurate results
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Originality analysis
0%
Plagiarism
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Similar
Detailed Analysis
Potentially Similar Sources
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AI Text SummarizerWords:0· Characters:0
Works best with 100+ words
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Instant AI summarization
📋 SummaryDone
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AI ParaphraserWords:0· Characters:0
Works best with 10–500 words
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Meaning preserved
✅ Paraphrased TextReady
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AI TranslatorWords:0· Characters:0
Up to 5,000 characters
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12+ languages supported
✅ TranslationDone
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Word CounterWords:0· Chars:0· Sentences:0
Real-time analysis
Statistics
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Readability Score
Flesch Reading Ease—
Type or paste text to see readability score
VerifierProis a free AI content detector that analyzes any text and tells you whether it was written by a human or generated by artificial intelligence. Whether you're ateacherchecking student assignments, aneditorreviewing submissions, anSEO professionalauditing website content, or abloggerverifying your own writing — our AI detection tool gives you instant, accurate results at zero cost.
10M+
Texts Analyzed
98%
Accuracy Rate
195+
Countries
200+
AI Tools
Free
Always
Features
Why 10M+ UsersTrust VerifierPro
Everything you need to detect, verify and improve AI-generated content — in one free platform.
🎯
Sentence-Level Detection
See exactly which sentences are AI-generated, human-written, or mixed. Color-coded analysis — not just an overall score.
⚡
Results in 3 Seconds
Paste your text and get comprehensive AI detection results instantly. No waiting, no queues, no daily limits.
🆓
100% Free Forever
No subscriptions, no per-word pricing, no account needed. Completely free with no hidden fees. Ever.
🌍
50+ Languages
Detect AI content in English, French, Spanish, Arabic, German, Italian, Portuguese, Hindi and 40+ more languages.
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Advanced NLP Analysis
Analyzes perplexity scores, burstiness metrics, semantic consistency and writing patterns for 98% accuracy.
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Complete Writing Toolkit
AI Humanizer, Plagiarism Checker, Summarizer, Paraphraser, Translator and Word Counter — all in one free platform.
Who Uses It
Built ForEveryone Who Works With Content
From classrooms to newsrooms — VerifierPro serves anyone who needs to verify content authenticity.
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Teachers & Educators
Verify student essays and assignments. Detect ChatGPT-written work and maintain academic integrity with confidence.
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Content Writers & Bloggers
Check AI-assisted content before publishing. Ensure articles maintain a natural human writing style for your readers.
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SEO Professionals
Audit website content for Google's helpful content guidelines. Identify AI-heavy pages before they hurt rankings.
📰
Publishers & Editors
Review submitted articles and guest posts. Ensure you're publishing authentic, human-written material every time.
💼
HR & Recruiters
Verify cover letters and work samples are genuinely written by the applicant, not AI-generated.
🎒
Students
Check your own writing before submission. Ensure it doesn't accidentally trigger AI detectors on campus.
How It Works
Detect AI Content in3 Simple Steps
No account, no setup — just paste and get results instantly.
01
Paste Your Text
Copy any text — an article, essay, blog post, email or any written content — and paste it into the AI detector. No word limits, no registration required.
02
Click "Detect AI Content"
Our advanced NLP engine analyzes perplexity, burstiness, semantic patterns and 40+ linguistic signals to determine whether each sentence was AI-generated or human-written.
03
Get Your Detailed Report
Receive an overall AI score, sentence-by-sentence color-coded breakdown, content distribution chart, and if needed — use the Humanizer to make AI text sound naturally human.
200+ AI Writing Tools Detected
FAQ
Frequently AskedQuestions
Everything you need to know about AI content detection and VerifierPro.
What is an AI content detector?
An AI content detector analyzes written text and determines whether it was created by a human or generated by an AI system such as ChatGPT, Claude, Gemini, Jasper or other AI writing tools. It works by examining linguistic patterns, writing consistency, vocabulary choices, sentence structure and statistical properties that differ between human and AI writing.
How accurate is VerifierPro's AI detector?
VerifierPro achieves 98% accuracy on standard AI-generated content from ChatGPT (GPT-4o, GPT-4), Claude 3.5, and Gemini. Accuracy may vary for heavily edited AI content or mixed human-AI writing. For best results, submit a minimum of 100 words.
Can VerifierPro detect ChatGPT, Claude and Gemini content?
Yes. VerifierPro detects content from ChatGPT (GPT-4o, GPT-4, GPT-3.5), Claude 3.5 Sonnet, Google Gemini 1.5 Pro, Microsoft Copilot, Grok, DeepSeek, Llama 3, Mistral, Perplexity, Jasper, Copy.ai, Writesonic, Rytr, Notion AI, Cohere and 200+ other AI writing tools.
Is VerifierPro completely free?
Yes, 100% free. No word limits, no daily limits, no account required, no credit card. All tools on VerifierPro — AI detector, humanizer, plagiarism checker, summarizer and more — are completely free with no hidden fees.
Does Google penalize AI-generated content?
Google does not automatically penalize AI content. However, Google's helpful content system targets low-quality, unoriginal content regardless of how it was created. Thin, generic AI content can hurt rankings while high-quality, helpful AI-assisted content can rank well.
What is the difference between AI detection and plagiarism checking?
Plagiarism checking compares text against existing published content to find copied material. AI detection analyzes linguistic patterns to determine if text was AI-generated — regardless of whether it appears elsewhere online. VerifierPro offers both tools in one free platform.
Can AI detectors be fooled?
AI detectors can be challenged by heavily humanized or edited content. VerifierPro's sentence-level analysis makes it significantly harder to fool compared to tools that only provide an overall score. Our model is continuously updated to detect the latest AI writing patterns.
Does VerifierPro support languages other than English?
Yes. VerifierPro supports 50+ languages including French, Spanish, German, Arabic, Italian, Portuguese, Hindi, Urdu, Chinese, Japanese, Korean and more. The entire platform auto-detects the language and can output results in the user's language.
How is VerifierPro different from Turnitin or GPTZero?
VerifierPro differs in three key ways: (1) Completely free — no subscription or per-word pricing. (2) Sentence-level analysis — not just an overall score. (3) Full writing toolkit — AI Humanizer, Plagiarism Checker, Summarizer, Paraphraser, Translator and more, all in one place.
What is the minimum text length for accurate results?
For reliable results, submit at least 100 words (approximately 500 characters). Texts of 50–100 words will still be analyzed with reduced confidence. Very short texts under 50 characters may produce inconclusive results.
Start Detecting AI Content — Free, Instant, Accurate
Join millions of teachers, writers, SEO professionals and content creators who rely on VerifierPro every day.
✅ No Sign-Up
✅ No Word Limits
✅ 100% Free