Writer.com's free AI detector is widely used as a quick check. The Humanizer's output consistently passes it.
Writer.com offers a free AI detector that returns a simple human/AI percentage. It's a popular first check for marketers and writers reviewing AI drafts. The Humanizer makes it easy to land safely in the human range.

Writer.com AI detector showing humanized text passes as human
Writer.com's detector keys on stylometric features — sentence length distribution, word-choice predictability, and connective phrasing common to LLMs. It works well as a fast check but is less aggressive than Copyleaks or Originality.ai.
Paste your AI text, click Humanize, and check the output against Writer.com. Almost every input passes on the first try; long-form content benefits from Supercharged mode for paragraph-level consistency.
Get 350 words every month free — no credit card required. Upgrade anytime for more words and Supercharged mode.
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