🥷 StealthHumanizer — A Free Open-Source AI Text Humanizer with 13 Providers and Multi-Pass Ninja Mode

Why StealthHumanizer? With the rise of AI-generated content, tools that can humanize text are in high demand. But most solutions are paid, require sign-ups, or limit your usage. I wanted to build something different — a completely free, open-source text humanizer that anyone can use without restrictions. StealthHumanizer supports 13 text generation providers, 4 rewrite levels, 13 distinct tones, and a multi-pass "ninja mode" for maximum naturalness. Features 🔄 13 AI Providers StealthHumanizer works with OpenAI, Anthropic, Google, Mistral, Cohere, and many more providers. Switch between them freely — whatever works best for your content. 📊 4 Rewrite Levels From light touch-ups to complete rewrites, choose the level that fits your needs. 🎨 13 Tones Professional, casual, academic, creative, persuasive, and more. Pick the tone that matches your content's purpose. 🥷 Multi-Pass Ninja Mode Run multiple humanization passes for the most natural-sounding output. The ninja mode applies layered tr