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Description

AI content detector and AI watermark writing tools for ChatGPT, Claude, and Gemini text. Scan sentences and revise robotic patterns. ContentDetector.ai puts an AI detector and writing editor inside Chrome's Side Panel. Paste a draft, write directly in the TipTap editor, or select Scan URL to import readable text from the page you are viewing. Review sentence-level writing signals and revise passages that feel robotic or formulaic without leaving your browser workflow. Whether you searched for a ChatGPT detector, Claude detector, or Gemini detector, the workflow is the same: The AI Detector reviews patterns in the text without claiming to identify which model wrote it. Use the AI content detector as a writing signal, then decide what to change. Looking for an AI watermark tool? In ContentDetector.ai, AI watermark refers to to the watermarks US based models legally have to provide to their text. This can include wording, rhythm, structure, and tone that can make AI-assisted writing feel predictable. Rewrite and the other writing tools help you revise those visible language patterns to write in a more human way. Features: - 100 free lifetime AI detector scans - Persistent Side Panel that stays available as you move between browser tabs - Scan pasted text, drafts written in the editor, or readable content from the active URL - Sentence-level red, orange, yellow, and green writing signals - Animated scan sweep and sentence highlight reveal - Built-in editor with a responsive formatting toolbar - Clear all scan highlights with one click, and copy clean text without highlight markup - Premium Rewrite, Paraphrase, Expand, and Shorten tools - Multiple Rewrite styles with a selected result returned for you to review - Local draft saving in Chrome extension storage Detection scores are probabilistic writing signals. They do not prove whether text was written by a person or an AI model, and they do not identify which model created the text. No scan score or rewrite result is guaranteed. Always review the text before using or publishing it. The extension does not read pages in the background or collect browsing history. Scan URL accesses only the active page after you invoke the extension and select the Scan URL feature. Only the readable text imported for that requested scan is sent for processing. The page URL is not sent to the ContentDetector.ai API. Text leaves the device only after you select Scan, Scan URL, or a writing tool. Submitted text is sent over HTTPS to the ContentDetector.ai service and the processing provider required for that feature. On first open, Chrome asks for permission to connect only to contentdetector.ai so the Side Panel can use its scan, writing, account, and billing API. ChatGPT is a product of OpenAI. Claude is a product of Anthropic. Gemini is a product of Google. ContentDetector.ai is independent and is not affiliated with or endorsed by these companies.