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Style Engine — StealthHumanizer v2

Overview

The Style Engine is the core of StealthHumanizer's humanization pipeline. It combines a multi-pass transformation system with configurable tone, style, and level parameters to produce natural, human-like text.

Pipeline Architecture

Input Text
    │
    ▼
┌─────────────────────────┐
│  Text Analysis Engine    │  ← Detects AI patterns, readability, tone
└────────────┬────────────┘
             │
             ▼
┌─────────────────────────┐
│  Pass 1: Full Rewrite    │  ← Applies style + tone + level prompt
└────────────┬────────────┘
             │
             ▼
┌─────────────────────────┐
│  Detection Check        │  ← Runs 12-metric detector
│  Score ≥ Target?        │
│    ├─ Yes → Output       │
│    └─ No → Pass 2        │
└────────────┬────────────┘
             │
             ▼
┌─────────────────────────┐
│  Pass 2: Re-humanize     │  ← Only rewrites flagged sentences
│  Flagged Sentences       │     with aggressive prompts
└────────────┬────────────┘
             │
             ▼
┌─────────────────────────┐
│  Pass 3 (Ninja only)     │  ← Final polish pass on remaining
│  Remaining Flagged       │     problematic sentences
└────────────┬────────────┘
             │
             ▼
        Output Text

Rewrite Levels

Light

  • Goal: Subtle, surgical changes (5-10% of text)
  • Techniques: Add contractions, replace formal words, fix sentence lengths
  • Preserves: Exact paragraph structure, same number of paragraphs
  • Passes: 1

Medium

  • Goal: Noticeable humanization (~30% changes)
  • Techniques: Restructure sentences, vary lengths dramatically, add personal touches, natural imperfections
  • Preserves: Core meaning, moderate structural changes allowed
  • Passes: 1-2

Aggressive

  • Goal: Complete rewrite from scratch (~70%+ changes)
  • Techniques: New voice, colloquialisms, fragments, rhetorical questions, dramatic variation
  • Preserves: All facts and key information only
  • Passes: 2

Ninja 🥷

  • Goal: Maximum transformation for natural-sounding output
  • Techniques: All aggressive techniques PLUS controlled imperfection, burstiness engineering, anti-pattern avoidance, human voice injection
  • Passes: 3 (automatic loop until target score)

Tone Presets

Each tone modifies:

  1. Personality traits — How the writer "sounds"
  2. Vocabulary preferences — Word choices and register
  3. Writing patterns — Structural tendencies
Tone Personality Best For
Academic Formal Rigorous, evidence-based Research papers, theses
Academic Casual Thoughtful, accessible Class discussions, blog posts
Journalistic Direct, fact-driven Articles, news pieces
Creative Writing Imaginative, expressive Fiction, creative nonfiction
Conversational Friendly, relaxed Blog posts, social media
Professional Competent, clear Business reports, emails
Technical Precise, methodical Documentation, guides
Persuasive Confident, compelling Op-eds, marketing
Storytelling Narrative, engaging Anecdotes, narratives
Humorous Witty, irreverent Entertainment, casual writing
Emotional Empathetic, passionate Personal essays, memoirs
Analytical Logical, systematic Analysis, comparison pieces
Custom User-defined Any context

Writing Style Techniques

1. Burstiness Engineering

AI text has uniform sentence lengths. We create extreme variation:

  • Mix 3-word fragments with 35-word complex sentences
  • Vary paragraph lengths (1-8 sentences)
  • Never have two consecutive sentences of similar length

2. Perplexity Manipulation

  • Use unexpected but natural word choices
  • Include idiomatic expressions
  • Reference specific, concrete details
  • Use domain-specific language naturally

3. Anti-Pattern Avoidance

Never use these AI-signature phrases:

  • "Furthermore", "Moreover", "Additionally", "In conclusion"
  • "It is important to note", "It is worth mentioning"
  • "In today's world", "In the modern era"
  • "Delve into", "Tapestry of", "Navigating the landscape"
  • "Comprehensive", "Multifaceted", "Robust", "Seamless"

4. Human Voice Injection

  • First person references ("I think", "we can see")
  • Parenthetical asides and tangents
  • Rhetorical questions as paragraph openers
  • Controlled imperfections (ambiguous pronoun, informal word in formal context)

5. Structural Rewrite

  • Non-linear information presentation
  • Merge and split paragraphs freely
  • Natural transitional phrases ("OK so", "Anyway", "Here's where it gets interesting")
  • End paragraphs with interesting points, not summaries