Rewriter Tools vs Text Analyzer：寫作工具

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.

結合同儕級學術校對、抄襲比對與 AI 寫作工具

ProWritingAid is a writing platform that combines line-level grammar and style checking with planning, manuscript analysis and story critique tools aimed at novelists, students and professional writers.

支援句子級洞察的多語言 AI 檢測工具

150+ 款免費線上 SEO 工具與 AI 寫作助手，一站齊備

用可讀性與文法回饋，寫出更清晰有力的文字

支援七種改寫模式的免費 AI 改寫工具

用於改寫、人性化與去除抄襲的西班牙語 AI 改寫工具

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

具備多種模式、語氣與配套工具的 AI 改寫與寫作套件

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.