AI Content Detector

The AI Content Detector checks whether a piece of text was written by a person or generated by AI tools such as ChatGPT, Gemini or Claude. You get a human score, the share of AI-written content and the sentences that look machine-made highlighted in red.

Other Tools:PPlagiarism Checker GGrammar Checker PParaphrasing Tool

Up to 2000 Words will be used.Words Limit/Search: 0/2000

Content Quality Score

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AI generated text

Human Written ContentN/A

AI Written ContentN/A

🧑‍🎨Humanize Full Textwith AI Humanizer→ Check Plagiarism

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AI Content Detector – free online ai content detector by PDF SEO Tools

Know If Your Text Sounds Human or AI

Check if text is AI-generated or human-written. Get a human score, AI percentage, highlighted AI sentences and tips to pass AI detection – free. The AI Content Detector checks whether a piece of text was written by a person or generated by AI tools such as ChatGPT, Gemini or Claude. You get a human score, the share of AI-written content and the sentences that look machine-made highlighted in red.

People rely on the AI Content Detector for human score and AI-written percentage, aI-looking sentences highlighted in red, reasons for the score and tips to sound human and aI review plus writing-pattern analysis. Everything happens in your browser, so there is nothing to download, nothing to set up and no account to create – you get a clean result in seconds and can get back to your work.

How the AI Content Detector Works

Step 1: Paste your text or upload a file.
Step 2: Press Detect AI Content.
Step 3: Read the human score and the highlighted sentences.
Step 4: Rewrite flagged parts with Pass AI Detection and check again.

AI Content Detector – Step 1: Paste your text or upload a file — Animation – Step 1: Paste your text or upload a file

AI Content Detector – Step 2: Press Detect AI Content — Animation – Step 2: Press Detect AI Content

Why People Choose Our AI Content Detector

No account required Open the page and start immediately – no registration, no email address and no trial period.
Encrypted HTTPS connection Everything you send travels over a secure, encrypted connection.
Nothing is published or shared The data you enter is used only to show your result. It is never published, sold or shared.
Works on every device The layout adapts to phones, tablets and desktops, and runs in Chrome, Safari, Firefox and Edge.
Free with no hidden limits Use it as often as you need for everyday tasks – no watermark and no surprise charges.
AI with automatic fallback Several AI providers keep the AI Content Detector fast and reliable.
Upload documents Fill the text box from TXT, PDF or Word files.

AI Content Detector – Step 3: Read the human score and the highlighted sentences — Animation – Step 3: Read the human score and the highlighted sentences

AI Content Detector – Step 4: Rewrite flagged parts with Pass AI Detection and check again — Animation – Step 4: Rewrite flagged parts with Pass AI Detection and check again

Key Features of the AI Content Detector

Human score and AI-written percentage Human score and AI-written percentage – free and works on phone and computer.
AI-looking sentences highlighted in red AI-looking sentences highlighted in red – free and works on phone and computer.
Reasons for the score and tips to sound human Reasons for the score and tips to sound human – free and works on phone and computer.
AI review plus writing-pattern analysis AI review plus writing-pattern analysis – free and works on phone and computer.
Upload TXT, DOCX or PDF – up to 2,000 words Upload TXT, DOCX or PDF – up to 2,000 words – free and works on phone and computer.
Pass AI Detection link to rewrite flagged text Pass AI Detection link to rewrite flagged text – free and works on phone and computer.

AI Content Detector: Frequently Asked Questions

Is the AI Content Detector free?

Yes – check up to 2,000 words per scan with no sign-up.

Which AI tools can it detect?

It looks for patterns typical of ChatGPT, Gemini, Claude, Copilot and similar AI writers.

How accurate is it?

No AI detector is 100% accurate. Treat the score as an estimate and review the highlighted sentences yourself.

Is the AI Content Detector safe and private?

Yes. Everything travels over a secure HTTPS connection, and the data you enter is used only to show your result – it is never published or sold. You do not need an account, and the tool works the same way on phones, tablets and computers.