AI Detect

Undetectable AI

Undetectable AI is a content analysis suite built around two core tools: an AI detector that scans text and flags specific AI-generated sentences, and an AI Humanizer that rewrites those flagged sections with more varied sentence structure and vocabulary. The site also ships an AI image detector, plagiarism checker, paraphraser, essay writer, and an SEO content writer, plus a Chrome extension for using the tools directly in the browser.

AI Detector & Humanizer

AI Detective is a cross-platform app that detects AI-generated text from a camera, pasted text, files, or website URLs. It also includes a humanizer to rewrite text as more human-like, plus readability and plagiarism checks.

Detector.io

Detector.io is a multi-AI-detection dashboard that aggregates results from five different AI checkers (GPTZero, Winston AI, AIDetector.pro, ZeroGPT, and its own model) in one place. It allows users to submit text once and receive a side-by-side comparison of AI likelihood scores, sentence-level highlights, and a built-in humanizer to refine flagged content. It is designed for students, teachers, recruiters, marketers, and SEO teams to verify content authenticity and avoid false confidence from relying on a single detector.

PaperBleach

PaperBleach is an AI-powered text humanization tool that rewrites AI-generated content from models like ChatGPT, Claude, and Gemini to make it sound more natural and human-like. It includes a built-in AI detector to score the rewritten text against common detection systems like GPTZero, Turnitin, Copyleaks, and ZeroGPT.

MyDetector AI

MyDetector AI is a free online AI content detector that identifies text generated by ChatGPT, Gemini, Claude, and other popular AI writing and paraphrasing tools. It analyzes writing style and structure to spot patterns typical of machine-generated content, such as repetition, unnatural transitions, and a lack of human inconsistency. Users can paste text directly into the browser-based checker or upload PDF, Word, PPT, and TXT files for large-document analysis. Beyond simple detection, MyDetector provides real-time results with sentence-level highlighting and a 0-100% AI probability score. It also offers a dual-model choice for either a fast high-speed overview or a deeper, granular analysis. After detection, users can switch to the built-in AI humanizer to rewrite AI-generated passages into a more natural, human-like style, and can compare AI and human text in real time to guide revisions. The tool is designed for anyone who needs content authenticity: educators reviewing student assignments, editors checking press releases, content creators and bloggers polishing articles, marketers refining copy, and corporate or research teams validating reports. It is completely free, requires no account, supports multiple mainstream languages, and emphasizes privacy by not storing detected content. With its combination of advanced detection, file handling, and humanization features, MyDetector AI serves as an all-in-one authenticity assistant for modern writing workflows.

GPT-Zero

GPT-Zero is a free, web-based AI content detector built to help users identify text generated by ChatGPT, GPT-4, and other large language models. The platform combines AI-powered analysis with a simple interface, allowing writers, teachers, editors, and businesses to check whether a piece of content was written by a human or produced by an AI tool. Beyond a basic binary result, GPT-Zero offers writing reports and a writing-process video that lets users visualize how a document was created. This is intended to give reviewers deeper context than a simple score, helping educators discuss student work and helping freelancers demonstrate the originality of their writing to clients. The product is marketed as highly accurate, with user testimonials claiming it outperforms OpenAI's own classifier. GPT-Zero is positioned as a straightforward authenticity tool rather than a complex enterprise suite. It is accessed entirely through the browser, requires no installation, and is aimed at anyone who needs to verify the provenance of written content. The site also includes blog articles and customer recommendations, reflecting a focus on supporting human writing and building trust around content.