# EIGEN AI — AI Text Humanizer & Detector > EIGEN AI is a web app that helps students and writers detect AI-generated text and rewrite it into natural, human-sounding writing that passes major AI detectors (Turnitin, GPTZero, Copyleaks, Originality.ai). Sentence-level scoring shows exactly which sentences are flagged so users can target their edits. Primary URL: https://eigentexthumanizer.com Pricing page: https://eigentexthumanizer.com/pricing Contact: caiyingzhengrey@gmail.com ## Core product pages - [Humanize AI](https://eigentexthumanizer.com/humanize-ai): Rewrite ChatGPT, Claude, or Gemini output into natural human writing. - [AI Detector](https://eigentexthumanizer.com/ai-detector): Sentence-level AI detection with color-coded highlights. - [ChatGPT Humanizer](https://eigentexthumanizer.com/chatgpt-humanizer): Specialist humanizer tuned for ChatGPT / GPT-4 / GPT-4o output. - [ChatGPT Detector](https://eigentexthumanizer.com/chatgpt-detector): Check whether text was generated by ChatGPT. - [Bypass Turnitin AI](https://eigentexthumanizer.com/bypass-turnitin-ai): Rewrite AI text to pass Turnitin's AI checker. - [Bypass AI Detection](https://eigentexthumanizer.com/bypass-ai-detection): Universal bypass for Turnitin, GPTZero, Originality.ai. - [Free Text Humanizer](https://eigentexthumanizer.com/free-text-humanizer): No-signup humanizer with a generous free tier. - [AI to Human Text Converter](https://eigentexthumanizer.com/ai-to-human-text): Convert machine-sounding text to natural prose. - [Pricing](https://eigentexthumanizer.com/pricing): Free, Basic, Pro, Max, and Daily Pass plans. ## How the product works 1. Paste text or upload a PDF / DOCX / TXT file (up to 30,000 characters on higher plans). 2. Run the AI detector — each sentence is scored for AI likelihood and color-coded. 3. One-click humanization rewrites only the flagged sentences, preserving the author's meaning. 4. Optional tone, perspective, and rephrasing controls let users match their own voice. 5. Re-scan to verify the output passes detection before submitting. ## Key features - Sentence-level AI detection with color-coded highlights - One-click humanization of flagged sentences only - Tone controls: formal, casual, academic, conversational - Perspective controls: first person, third person, active voice - File upload: PDF, DOCX, TXT - 99.2% reported pass rate across Turnitin, GPTZero, Copyleaks, Originality.ai - No data retention — text is processed and discarded, never used for training ## Pricing (AUD) - Free: 3 scans + 3 humanizations + 3 rewrites per day, 1,000 chars per input - Basic ($9.99/mo): 10 scans + 30 humanizations + 30 rewrites per day, 8,000 chars per input - Pro ($19.99/mo): 50 scans + 100 humanizations + 100 rewrites per day, 15,000 chars per input - Max ($39.99/mo): 300 scans + unlimited humanizations + rewrites, 30,000 chars per input - Daily Pass ($5.99): Pro-tier access for 24 hours, no subscription ## Target audience - University and high-school students polishing AI-assisted drafts - ESL writers using AI to scaffold writing before self-editing - Content creators, marketers, and SEO writers - Researchers and professionals who prototype with AI and want natural final copy ## Content policy EIGEN AI exists to help users polish AI-assisted drafts into authentic, human-sounding writing. We do not endorse academic dishonesty. Users remain responsible for complying with their institution's AI-use policies. ## Optional - [About & blog topics coming soon](https://eigentexthumanizer.com) - Support: caiyingzhengrey@gmail.com