Simplify AI（Chrome 擴充功能） vs Simplify: Text Simplifier

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.

HumanizeAI.pro is a free, no-signup web tool that rewrites AI-generated text so it reads more like something a person actually wrote. Paste your ChatGPT, Gemini, or Claude output, clear the captcha, and the site returns a smoother, more conversational version that keeps your keywords and meaning intact.

支援 30 多種語言的 AI 文法、拼字與風格檢查工具

一鍵式瀏覽器 AI 助手，寫作與研究一次搞定

Summarizer.org is a free AI summarizer that condenses text, articles, essays and documents into paragraph or bullet-point summaries with adjustable length.

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

免費 AI 人性化改寫，讓機器文字讀起來更自然

免費 / 開源在瀏覽器中免費用 AI 總結 YouTube、Google 與任何網頁

直接在瀏覽器裡用 AI 摘要、保存與寫作

具備多種模式、語氣與配套工具的 AI 改寫與寫作套件

Plagiarism Remover is a free online tool that rewrites pasted text or uploaded documents to reduce duplication, offering four modes plus multilingual support.