AI 产品解读Collaborative web and PDF annotation tool that allows users to highlight, annotate, and tag web pages, PDF documents, and EPUBs
Enables collaborative reading, research organization, and discussion by allowing users to add annotations, highlights, tags, and comments directly on web content and documents
User installs extension, browses web pages or opens PDFs, selects text to highlight or annotate, writes comments/tags, and shares annotations with collaborators through Hypothesis groups. The extension injects a sidebar into web pages and provides a built-in PDF viewer. Annotations are stored on the Hypothesis service (hypothes.is) and synced across devices.
Highlight text on web pages, PDFs, and EPUBsCreate annotations with comments on any web contentTag and organize annotationsCollaborative annotation in shared groupsSupport for PDF viewing with built-in PDF.js viewerSidebar interface for browsing and managing annotations
- 目标用户
- Researchers / Students / Academics / Journalists / Knowledge workers / Anyone needing collaborative reading and annotation
- Source files are heavily minified (annotator.bundle.js, sidebar.bundle.js), making deeper code analysis difficult
- Could not inspect the actual Hypothesis API to determine if free tier has usage limits or feature restrictions
- The extension's profile.html and notebook.html are minimal HTML shells loading from the same bundle, limiting visibility into specific UI flows
付费分析未识别到付费功能
No evidence of paid feature gating, billing APIs, subscription logic, upgrade prompts, or premium feature checks in the extension source code. The 'premium' keyword match found in ui-playground.bundle.js line 276 is in unrelated sample text about California rolls (sushi description). No Stripe, payment, or billing integrations detected. The Hypothesis service (hypothes.is) offers organizational/enterprise plans externally, but the extension itself does not gate any features behind payment.
- 置信度
- 80
- 支付平台
- --
- 来源
- AI / 中
- 需要登录
- 是
- 登录理由
- The extension uses OAuth to authenticate with the Hypothesis service (hypothes.is). The sidebar code has an `isLoggedIn` selector checking `profile.userid !== null` (sidebar.bundle.js line 109), and the UI shows a 'Log in' button for unauthorized users when accessing content (sidebar.bundle.js line 134). Creating annotations requires an authenticated user account on hypothes.is. The extension itself does not implement its own account system — it delegates authentication to the Hypothesis destination service via OAuth (oauthClientId configured in app.html line 10 and extension.bundle.js line 180).
Find hypothesis because of running out of Weava storage space. Really impresses me not only the amazing introduction video and the feeling of reading webs by the whole world. Really nice extension! Updated: Well, I meet a issue after using for some while. How to enable it automatically when I open a web or a local pdf?
Every time i log into my account on a page i previously annotated, i get random highlights which i did not put there, nor do they make any sense. Anybody knows what is the problem/ solution. Thank you very much.
This is awesome. It would be cool if a feature were added that allowed users to upvote comments on an annotation(reddit style). This way could serve as an indicator of how valid/factual some users comments are if on a research paper for example
nada melhor pra estudantes! ferramenta útil demais! principalmente para leis !
It is easy to use and make my work more effciently
After a few semesters in school, and conducting research papers, I finally got fed up with not having the ability to highlight or take notes in real time on a web page. Insert Hypothesis. This honestly changed the way I research papers. Thank you so much for this amazing product
broken under this site: https://reactjs.org/docs/thinking-in-react.html annotations from different pages shown in one page
Excelente. Ajuda muito.
I would pay money for this and yet it's free! Amazingly clean and simple. Works great for all my note-taking, video/image posts, and research. Between Hypothesis and Diigo, my internet experience has changed the way I work and has inspired others. Please ensure this keeps going/growing! I have a lot of info invested in Hypothesis. Truly recommend for students and professionals alike! :)
While I know this extension for some time now, I always have missed a particular option. I am missing ome kind of website or source, which outlines where users annotate most websites... If something like this can be done, it would be great indeed.