Clever AI Humanizer

An AI text humanizer from UndetectedGPT that transforms AI-generated text into writing described as natural and undetectable by AI detectors. The service claims to bypass detectors including GPTZero and Turnitin and offers free humanizing.

GPTZero is an AI-detection service for assessing whether text was written by a person or generated by an AI system. Its website offers an AI score and sentence-by-sentence detection for pasted text, including text associated with ChatGPT, GPT-5, and Gemini.

QuillBot is an AI writing tool that rewrites or humanizes AI-generated text. In the cited video context, it is used to modify text before the text is tested by GPTZero.

Markdown-based agent skill that rewrites AI-sounding text to read human-written without changing what it says — works with any agent that supports skills. Rewrites against the 35 patterns from Wikipedia's 'Signs of AI writing' (WikiProject AI Cleanup): a first pass free to restructure, then a check of the draft against those patterns and the original claims before rewriting what still sounds artificial. Its rules bar invented facts — names, numbers, dates and quotes must come from the source or the writer — and preserve a writer's personal style (or follow a provided sample). The skill shows its work: the first rewrite and a critique of what still sounds artificial precede the final version.

ZeroGPT is an AI-content detection service that tests text for AI-generated or humanized content and reports the percentage detected as AI-generated. Its website describes it as an AI detector and ChatGPT detector for content associated with ChatGPT, GPT-5, and Gemini, with a free checking option.