Justdone AI Detector

JustDone AI Detector is a fast and accurate tool for detecting AI-generated text from models like ChatGPT, GPT-4, GPT-5, Claude, Gemini, DeepSeek, and Llama. It goes beyond basic detection by offering a one-click humanizer to rewrite flagged text naturally, a built-in fact checker, and smart reports that highlight specific sentences triggering detection. Independently benchmarked at 80% overall detection accuracy and 98% on academic and scientific texts (with a 10.3% error rate), it supports up to 15,000 words per scan and accepts PDF, Word, and TXT files. As part of a suite of 35+ AI tools, it also includes a plagiarism checker, grammar checker, and more. Trusted by students from over 3,000 leading universities, it is designed to promote academic integrity.