AI Text Detector & AI Content Detector
Detect AI-generated content in blog posts, landing pages, product copy and articles. Paste your text to get an AI probability score and see which sentences read like they came from ChatGPT, Claude or Gemini.
- Free AI content detector
- Built for content teams
- Sentence highlights
- No sign-up
Free · No sign-up · Detects ChatGPT, Claude, Gemini and more
An AI writing detector for content, not just essays
Most AI detectors are built around student essays. This AI writing detector is tuned for the text businesses publish: blog posts, landing pages, product descriptions, newsletters and social captions. Paste up to 2,000 words to see an AI percentage for the whole piece and the exact sentences that read as AI-generated, so editors know which parts to rewrite before publishing.
Why content teams check for AI text
AI makes drafting fast, but unedited AI content has a recognizable sameness: generic intros, safe claims and paragraphs that could appear on any competitor’s site. Readers bounce, and search engines have little reason to rank one interchangeable page above another. An AI content detector gives editors a quick, objective first pass before a human review.
What Google and Bing look for in AI content
Google’s published guidance is that it rewards helpful, reliable, people-first content however it is produced, and that using automation to generate many low-value pages mainly to rank violates its spam policies on scaled content. Bing’s webmaster guidelines similarly emphasize original, useful content written for people. Neither search engine needs a detector score to demote thin pages; they judge quality. So the goal isn’t to hide AI use, it’s to publish content that is genuinely worth reading:
- First-hand experience, original data or expert insight
- Clear answers to the questions your readers actually ask
- Specific examples instead of generic statements
- A consistent voice that sounds like your brand
An editorial workflow with the AI text detector
- Check each draft section by section, using the main body text only.
- Review highlighted sentences. These are usually the generic ones that add the least value.
- Rewrite with substance: add a data point, a customer example or a clear opinion.
- Polish the remaining AI-sounding passages with the humanizer, then re-check.
- Record what you changed so writers learn the patterns to avoid.
Metrics in your AI content report
| Metric | What it tells you |
|---|---|
| AI probability | How strongly the text as a whole resembles AI-generated writing. |
| Highlighted sentences | The exact lines that look machine-written, so you know where to edit. |
| Burstiness | Variation in sentence length. Below about 0.35 usually reads as monotonous. |
| Reading ease | Flesch Reading Ease from 0 to 100. Most web content does well between 50 and 70. |
| What we noticed | Specific signals, such as overused AI phrases, that you can fix directly. |
Checking student work instead? The AI checker page covers essays and assignments, and our accuracy guide explains how to interpret scores fairly.
AI content detector FAQ
What is an AI text detector?
An AI text detector analyzes written content to estimate whether it was produced by an AI model. It is also called an AI content detector. AI Humanizer Detector's version returns an overall probability and highlights the sentences that look most machine-generated.
Does Google penalize AI-generated content?
Google has said it rewards helpful, original content regardless of how it is produced, but that using automation to mass-produce low-value pages to manipulate rankings violates its spam policies. In practice, AI content that is generic and unedited tends to perform poorly. Detecting and rewriting it is a quality step, not just a compliance one.
Can I use the AI content detector on web pages?
Yes. Copy the main body text of the page, leaving out navigation, footers and code, and paste it into the detector. Checking each article section separately gives the clearest picture.
How should content teams use an AI detector?
Use it as an editorial quality check. Flag drafts that score high, review the highlighted sentences, and ask writers to add original insight, examples and data. Avoid treating a single score as proof that a writer broke your rules.
Is the AI text detector free?
Yes. It is free with no account, and checks up to 2,000 words at a time.
More free AI writing tools
- AI Humanizer HumanizerHumanize AI text into natural, human-sounding writing in one click.
- Free AI Humanizer HumanizerA free humanizer with no sign-up, five writing styles and a built-in AI check.
- Humanize AI Text HumanizerTurn robotic AI drafts into clear text that sounds like a person wrote it.
- AI to Human Text Converter HumanizerConvert AI text to human text while keeping your meaning and facts intact.
- ChatGPT Humanizer HumanizerMake ChatGPT text sound like you wrote it, without changing what it says.
- AI Humaniser (UK) HumanizerHumanise AI text in British English, with UK spelling kept intact.
Guides on AI writing and detection
- How to Humanize AI Text GuideA practical, step-by-step method for making AI drafts read like your own writing.
- Are AI Detectors Accurate? GuideWhat the research says about AI detector accuracy, false positives and bias.
- How Do AI Detectors Work? GuidePerplexity, burstiness, classifiers and watermarks explained in plain English.
Check your content for AI
Free AI text detection with clear, actionable highlights for editors and marketers.