Speedwrite vs Swiftwriter

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.

免费在线 AI 文本人性化工具，让 AI 文字读起来更自然

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

Phrasly is an AI writing suite built around a humanizer and detector pairing: it rewrites AI-generated drafts into more natural prose, then checks the result, alongside an AI writer, plagiarism checker, document editor, translator and chatbot.

HumanizeAI.io is a free online AI humanizer that rewrites text produced by chatbots like ChatGPT, Gemini, Claude and DeepSeek so it reads more naturally. It offers Basic, Aggressive and Enhanced rewriting modes, a keyword-lock feature, synonym suggestions, one-click rephrasing and a suite of more than 45 related writing tools for paraphrasing, summarizing, grammar checking and translation.

支持七种改写模式的免费 AI 改写工具

免费 AI 人性化改写，让机器文字读起来更自然

具备多种模式、语气与配套工具的 AI 改写与写作套件

一键把 AI 生成文本改写成自然的人类表达

在一个工具里把 AI 文本人性化，并同时检测多家 AI 检测器

让 AI 文本更自然，轻松躲过 AI 检测器