The official domain ai-checker.info has expired and been seized by a domain broker, now redirecting to a GoDaddy parked lander. The original AI content-detection service is completely defunct.
網域安全預警：原網域 ai-checker.info 可能已過期停靠、出售或易主，為保護安全已停用直接外連。
AI 檢測工具中目前正常營運的已核驗工具，依近期造訪量與編輯評分排序。
Operating as a web-based utility designed to scan student essays, professional articles, and web content for patterns typical of AI generation. It provided probability scores to help educators and publishers verify text authenticity.
Since the original domain is now a parked lander, switch to reliable, actively maintained AI text detectors and plagiarism checkers featured in our directory above.
GPTZero is an AI detection platform for identifying machine-generated text. It combines a text detector with a Chrome extension, a plagiarism checker, writing-process verification, and educator-focused classroom tools.
ZeroGPT is an AI content detection platform with a text AI detector, AI image and video detectors, AI humanizer, plagiarism checker, and a set of writing tools including paraphraser, summarizer, grammar checker, translator, and citation helper.
不只給分數，還標出證據的 AI 檢測器
一次掃描完成 AI 偵測、抄襲比對與內容品質評估
免費、無限制的 AI 內容偵測，支援逐句評分
