| What it does | AI humanizer for multilingual writing with best-in-class Japanese support
| Make AI-assisted writing sound like a real person wrote it
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| Stage | Startup
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| Founded | 2026
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| Based in | HK
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| Pricing model | Freemium
| Freemium
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| Pricing | Free: 500 words/day humanize + unlimited detector (no credit card required); Basic: $9.99/month for 50,000 words/month + 30-day history + priority email support; Pro: $19.99/month for 250,000 words/month + academic mode + 90-day history + priority API queue. Student discount: 50% off annual plans wi
| Weekly Plan: $4.99/week for 25,000 words. Monthly Plan: 3-day free trial with 6,000 words, then $12/month for 80,000 words/month. Yearly Plan: $79/year for 80,000 words/year (Save 45%).
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| Key features | - AI text humanizer with casual, academic, and business modes
- Free AI content detector with ai_score, perplexity, and burstiness metrics
- Morphology-aware Japanese rewriting with conjugation and particle control
- Citation and technical term preservation in academic mode
- Three parallel rewrites scored by separate detector model
- Five-step intensity slider for faithfulness vs. AI-fingerprint tradeoff
- History and re-rewrite capability (30 or 90 days depending on plan)
- Second-pass academic polish with Claude 3.5 Haiku on Pro plan
- Support for English, Japanese, Korean, German, French, Spanish, Portuguese, and Chinese
- Tested against GPTZero, Turnitin, Originality.ai, and Copyleaks
| - Three tones: Natural, Casual, and Professional
- Deep mode for second editing pass
- Match your own writing style
- Preserves headings, lists, and citations
- Export as PDF, Word, Markdown, or plain text
- Full history backup export as JSON
- Encrypted history storage in account
- One-time email code sign-in
- Ephemeral text processing
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| What makes it different | - Best-in-class Japanese support with morphology-aware morpheme-level tuning, unlike generic humanizers
- Separate AI detector scores rewrites to guarantee the most natural result
- Preserves academic citations, figures, tables, and technical terminology verbatim
- Five-step granular intensity control to trade off faithfulness versus AI-fingerprint removal
- Independent developer with transparent privacy: no model training on user text, fixed deletion schedule
| - Preserves document structure while rewriting body text
- No detector gimmicks, focuses on real human readability
- Privacy by design with ephemeral processing
- Optional style matching from writing samples
- Varies sentence length and removes robotic filler
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ● no change since last check | 3 ▲ +2 (up) since last check |
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| Trust Flow (Majestic) | 11 | 0 |
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| Citation Flow (Majestic) | 14 | 0 |
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| Referring domains (Majestic) | 46 | 0 |
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Suikou AI
ModVC Humanizer