AI text humanizer that turns AI-generated drafts into natural writing
Fix AI writing fast
Stage
Not given
Not given
Founded
Not given
Not given
Based in
HK
Not given
Pricing model
Freemium
Freemium
Pricing
Basic Year: $5/mo ($60 billed annually) with 240,000 words/year; Pro Year: $10/mo ($120 billed annually) with 960,000 words/year; Unlimited Year: $15/mo ($180 billed annually) with unlimited AI humanization
Free: 100 credits at sign-up, topped up by 40 every week, 2 models per rewrite, 4 fast models including GPT-6 Luna, articles up to 6,000 words. Pro: $19 per month, 1,500 credits every month, up to 5 models per rewrite, all 9 models including Claude Sonnet 5.5 and Grok 4.7, articles up to 15,000 word
Key features
Context-aware sentence reconstruction
Contextual lexical selection based on semantic context and register
Rhythm and linguistic variation
Tone and register adaptation
Semantic preservation to maintain original intent and meaning
Support for 17 mainstream languages
Works with multiple AI writing tools
AI detector integration
Up to 5,000 words per batch
Browser extension for Chrome and Edge
Mark passages and add notes about what's wrong
Flip through rewrites from multiple AI models at once
Choose from 9 AI models including GPT-6 Luna, Claude Sonnet, and Grok
Preserve undo history and original drafts
Support for TipTap-based editors and built-in document editor
No need for personal API keys
Credit-based pricing with transparent cost estimates
Handle articles up to 6,000 words on Free plan or 15,000 on Pro
Access 2 models on Free plan or up to 5 on Pro plan
What makes it different
Proprietary humanization model specifically optimized for AI text instead of general-purpose AI
Preserves semantic meaning with 100% semantic preservation guarantee
Privacy-first approach with immediate text deletion
Helps 100M+ words polished daily across hundreds of thousands of users
92% pass rate increase with major AI detectors after humanization
Never leave your editor—rewrites happen in-place without copy-paste
Only the passages you mark change; the rest of your draft stays exactly as written
Compare rewrites from multiple AI models side by side in one click
Free plan with 100 credits and weekly top-ups, no card required
Preserves full undo history even after accepting rewrites
Unfox AI Humanizer
SwapDraft