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About AI Humanizer
AI Humanizer rewrites drafts from ChatGPT, Gemini, Claude and other AI writers so they read like a person wrote them: varied sentences, plain words and no robotic filler. Paste your text, pick a mode (Academic, Casual or Professional) and a reading level, and get a natural version in seconds. Turn on Show changes to see what moved, then copy the result and add your own touches. It works without an account in English, Spanish and Portuguese, and the site also includes an AI detector and a Make It Longer tool.
Updated 10/8/2026
Key Features
- Free AI humanizer: rewrites AI text from ChatGPT, Gemini, Claude to read like natural, human-sounding writing
- Three engines: Light (fixes machine-made phrases), Standard (rewrites every sentence in fresh words - free), Deep (writes like a real person - paid plans)
- Four modes: Standard (clear/natural), Academic (formal with terms/citations), Casual (relaxed/conversational), Professional (polite/direct for emails/reports)
- Multiple reading levels: High School, College, PhD, Business - language auto-detected for English/Spanish/Portuguese
- Show changes feature to see what moved before copying and adding your own touches
- Includes AI detector to check AI likelihood and Make It Longer tool to expand text
- Free plan: 1,000 words per run, 2,000 words a day without account, 3,000 words a day with free account
- Preserves facts, numbers, names, citations, links - doesn't invent statistics or sources; no fake typos added
- Removes AI telltale phrases: same-length sentences, stock words (delve, moreover), signposts, lists of three, dashes/colons, polite filler
- Used by students, bloggers/marketers, non-native speakers, and professionals for various writing needs
- Different from paraphrasing tools: changes rhythm, sentence shape, and word choice like a person would
- Paid plans start at $4.99/month billed yearly for more words, Deep engine, and advanced features
Pricing Structure
- Free — $0/month — 1,000 words per run, 2,000 words a day without account, 3,000 words a day with free account
- Basic — $4.99/month — 50,000 words a month, 1,500 words per run, Deep engine, English/Spanish/Portuguese
- Pro — $9.99/month — 150,000 words a month, 3,000 words per run, Deep engine, rewrite a single sentence, 30-day history
- Unlimited — $19.99/month — Unlimited words (fair use: 30,000 a day), 5,000 words per run, Everything in Pro, 1,000 AI score checks a month
Why People Use It
AI Humanizer rewrites AI-generated text from ChatGPT, Gemini, and Claude to read like natural human writing with varied sentences and plain words. Choose how it should sound: Academic, Casual, or Professional modes with different reading levels. Free tier offers 1,000 words per run without signup; paid plans start at $4.99/month for more words and advanced features.
See AI Humanizer in Action
