QuillBot is an AI-powered writing tool used by over 35 million people for paraphrasing, summarizing, grammar checking, and citation generation. Its paraphraser offers multiple rewriting modes — from simple rewording to complete restructuring — making it invaluable for students, researchers, and content writers who need to communicate ideas differently without losing meaning. QuillBot integrates directly into Google Docs and Microsoft Word, offering an always-on AI writing companion within the tools writers already use.