QuillBro 免費 AI 寫作與學習工具已正式終止營運，經獨立 DNS 檢測確認其網域 quillbro.live 已無法解析，原服務完全下線。
網域安全預警：原網域 quillbro.live 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 作業助手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。
QuillBro 曾定位為學生與寫作者專屬的免費 AI 協作平台，提供文法檢查、文章改寫、論文生成、測驗製作與智慧字卡等多元功能，協助使用者流暢完成學術研究與寫作任務。
由於 QuillBro 已完全關閉，建議瀏覽本頁首屏推薦的在營 AI 寫作助理與作業輔助工具，以獲取優質的替代方案。
QuillBot is an AI writing suite best known for its paraphrasing tool. Users paste or type text and have it rewritten in different tones and styles, while companion tools handle grammar checking, summarizing, citations, plagiarism checks and AI content detection. It is widely used by students, writers and professionals.
QuillBot is an AI writing suite best known for its paraphrasing tool. Users paste or type text and have it rewritten in different tones and styles, while companion tools handle grammar checking, summarizing, citations, plagiarism checks and AI content detection. It is widely used by students, writers and professionals.
Knowt is a free study platform and the most popular Quizlet alternative, combining flashcards, note-taking, and AI study tools. Students can turn PDFs, lecture recordings, slides, and videos into flashcards, notes, and practice tests automatically.
自帶真實文獻與自動引文的 AI 學術寫作工具
Studocu is a global study platform where students share and access lecture notes, summaries, study guides and past exams, with an AI assistant, quizzes, flashcards and note tools to help them learn faster.
結合同儕級學術校對、抄襲比對與 AI 寫作工具
