Canopy vs Humanizer.Pro

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.

面向学校与编辑的 AI 检测与写作验证

免费在线 AI 文本人性化工具，让 AI 文字读起来更自然

免费 AI 检测器,给出概率分数与逐句信号

集学术校对、查重与 AI 写作工具于一体

Undetectable AI is a web platform that scans text for AI fingerprints and rewrites flagged passages so they read like natural human writing. It bundles an AI detector, an AI humanizer and a growing set of media authenticity tools in a single dashboard.

让 AI 文本更像人写，并可检测真人程度

面向内容完整性的企业级 AI 与抄袭检测

把AI生成文本改写成像真人写作一样自然

一次扫描完成 AI 检测、查重与内容质量评估

AI 驱动的家长管控工具，守护孩子上网安全