AI writing pattern detector and rewriter. 53 patterns, 5 voices, 0-100 AI-tell score. Pure Markdown, zero dependencies.
Humanizer is an AI writing pattern detector and rewriter that identifies 53 distinct patterns associated with machine-generated text and rewrites prose to sound like it was written by a human. The tool scores text on a 0–100 scale (higher scores indicate more AI characteristics), applies one of five named voice profiles—casual, professional, technical, warm, or blunt—and varies sentence length to introduce natural burstiness. Built as a pure-Markdown Claude Code skill with zero dependencies, the core functionality lives in a single file and runs entirely on the user's machine without network calls; the project is authored by Adam Boudjemaa and also includes an optional zero-dependency Node.js CLI for deterministic scoring and CI integration, plus a client-side browser tool for pattern detection.