Natural rewrites for
Authors.
Many authors now use AI to break blank-page paralysis, draft a rough scene, or untangle a knotty non-fiction passage — and then fight to make it sound like the rest of the book. This page is the honest version of what a humanizer does for authors: it helps AI-assisted passages read naturally and stay in your voice, while being clear that publisher and platform AI policies bind you and you own what you put your name on.
The problem
- AI-assisted passages clash with your established voice
- Flat AI rhythm reads mechanically next to your own prose
- Publisher and platform AI policies vary and bind you
How Humanizer helps
Humanizer rewrites text for more natural rhythm and varied word choice, so a scene or section you drafted with ChatGPT, Claude, or Gemini reads less mechanically and closer to your style — voice-matching steers the output toward how you actually write, which helps a manuscript hold one consistent voice. Every rewrite shows a Sapling-based detector score for transparency rather than a vague promise. It runs natively on Mac and iPhone, and the Share Sheet lets you rework a paragraph without leaving your manuscript.
Humanize your text.
Right here, right now.
Paste up to 1,500 characters, pick a mode, and get a real rewrite with an AI-detector score. No account, no card.
Your rewrite will appear here.
Free tool runs Claude Haiku, one pass. Pro (app & web) uses the stronger model with a detector-guided retry loop, longer text, and unlimited rewrites.
Humanize free — then get the app
Try the rewriter right here, no signup. Get the native Mac & iPhone app for unlimited rewrites, longer text, and the stronger model.