paraphrasing.io

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.

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.

免费在线 AI 文本人性化工具，让 AI 文字读起来更自然

集学术校对、查重与 AI 写作工具于一体

TeraBox is a cloud storage service with 1TB of free space for photos, videos and documents, paired with an AI workspace for presentations, essays, paraphrasing, image editing, video generation and research reports. Smart file transfer and auto-backup keep your content safe across phones, tablets, desktops and the web, while built-in AI turns the stored material into usable work — slides, rewrites, summaries and images — without leaving the account.

支持 30 多种语言的 AI 语法、拼写与风格检查工具

让 AI 文本更像人写，并可检测真人程度

把AI生成文本改写成像真人写作一样自然

既是语法检查器，也是写作技艺教练

Jenni is an AI research and academic writing workspace that helps students, researchers, and academics read, write, and cite in one place. Bring in PDFs or import a Zotero or Mendeley library, and Jenni's autocomplete suggests sentences grounded in your own sources, with every suggestion linked to the exact page and paragraph. A built-in writer, AI chat, citation engine covering 10,000+ styles, and a Reviews tool for catching weak or unverified claims make it a full environment for producing cited papers.

写作、检测与摘要的一站式工作台

一个 AI 工作台，完成写作、编辑、检测与人性化