Rewriter Tools vs Text Analyzer：写作工具

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.

集学术校对、查重与 AI 写作工具于一体

既是语法检查器，也是写作技艺教练

支持句子级洞察的多语言 AI 检测工具

150+ 款免费在线 SEO 工具与 AI 写作助手，一站齐备

用可读性与语法反馈，写出更清晰有力的文字

支持七种改写模式的免费 AI 改写工具

用于改写、人性化与消除抄袭的西班牙语 AI 改写工具

Reescribirtextos.net is a free Spanish-language AI rewriter that paraphrases text, changes words and removes plagiarism while keeping the original meaning.

具备多种模式、语气与配套工具的 AI 改写与写作套件

RewriteGuru is a free online article rewriter, paraphraser, and plagiarism checker. It offers five rewriting modes, AI content detection, grammar and spell checking, and multi-language support, so you can produce unique versions of existing text, clean up grammar, and verify originality from a single workspace.