| 维度 / 指标 | ![]() | ![]() |
|---|---|---|
| 官方域名 | goodnotes.com | chromewebstore.google.com |
| 定价模式 | 免费增值,免费试用 | 免费增值 |
| 月访问量 | 322.73万 (3,227,341) | 0 (0) |
| 月度环比流量变化 | +31.47万 (+10.8%) | 0 (—) |
| 主要市场与份额 | 🇺🇸 美国 (33.8%) | 🌐 全球 (—) |
| 直接访问 / 月 | 163.89万 | 0 |
| 用户评分 | 4.4 | 4 |
| 支持的平台 | 网站 | 浏览器扩展 |

手写笔记、PDF 批注与 AI 学习工具,都在同一块画布上
低延迟墨迹、防误触手掌识别、划掉即擦除以及手写转文字,让书写接近纸笔手感。
导入合同、论文或教材,用手直接标注,批注可搜索并可干净导出。
同时检索键入文本、手写与速写,并把笔记转成摘要、思维导图或结构化计划。
在共享笔记本、文档和白板上同时协作,不再有版本冲突或反复传文件。

几秒内总结 YouTube 视频,跳过无用内容
在任意 YouTube 视频上运行扩展,即可获得要点浓缩摘要。
在决定完整观看之前,先判断长视频是否包含你真正需要的内容。
以极小的 Chrome 扩展形式安装,为 YouTube 增加一个摘要操作。
适用于讲座、访谈、评测和长篇演讲等精彩内容藏在中间的视频。
专项更强将课程材料转变为互动式AI学习工具,不过对手写数字笔记本的关注相对较少。

专项更强Stronger online PDF editing and AI chat capabilities, but lacks tablet-optimized handwritten note-taking workflows.
专项更强Stronger online PDF editing and AI chat capabilities, but lacks tablet-optimized handwritten note-taking workflows.
专项更强Converts notes and PDFs into quizzes and flashcards, but lacks stylus-based handwriting and sketching tools.
专项更强Converts notes and PDFs into quizzes and flashcards, but lacks stylus-based handwriting and sketching tools.
将笔记整理成互相连接的类型化对象,而非传统笔记本,但缺乏手写笔触支持。
专项更强Uses an infinite visual canvas for note organization, but lacks Goodnotes' paper templates and PDF annotation polish.

Noiz is an AI YouTube summarizer that turns any video into key ideas, timestamped notes, and readable transcripts in seconds. It runs as a browser extension plus iOS and Android apps, so you can summarize while you watch instead of switching tabs, opening a chatbot, or writing prompts.
Noiz is an AI YouTube summarizer that turns any video into key ideas, timestamped notes, and readable transcripts in seconds. It runs as a browser extension plus iOS and Android apps, so you can summarize while you watch instead of switching tabs, opening a chatbot, or writing prompts.

专项更强Automatically converts lectures and PDFs into structured study guides, but lacks freehand ink and drawing tools.
专项更强Automatically converts lectures and PDFs into structured study guides, but lacks freehand ink and drawing tools.
用 AI 摘要把长视频瞬间变成关键要点