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Hypothesis - Web & PDF Annotation

221 ratings

Collaboratively annotate, highlight, and tag web pages and PDF documents.

Use Hypothesis to hold discussions, read socially, organize your research, and take personal notes on webpages, PDFs and EPUBs.

4.1 out of 5 221 ratings Google doesn't verify reviews. Learn more about results and reviews.

• Version 1.1540.0.1 (Official Build)
• Updated November 18, 2024
• Flag concern
• Size 4.67MiB
• Languages English
• Developer Annotation Unlimited 548 Market Street San Francisco, CA 94104-5401 US Website Email [email protected]
• Trader This developer has identified itself as a trader per the definition from the European Union.

Hypothesis - Web & PDF Annotation has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy .

Hypothesis - Web & PDF Annotation handles the following:

This developer declares that your data is.

• Not being sold to third parties, outside of the approved use cases
• Not being used or transferred for purposes that are unrelated to the item's core functionality
• Not being used or transferred to determine creditworthiness or for lending purposes

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Annotating Digitally

• Which Tool Is Right For Me?
• Use Adobe Reader
• Use Hypothesis
• Use Preview App for Mac
• Microsoft Edge for Windows 10

Annotating with Hypothesis

Hypothesis is a free online tool designed to allow for collaborative annotation across the web. This guide will walk you through using Hypothesis with the Chrome extension. To use the bookmarklet in another browser, please refer to the hypothesis user guide for step-by-step instructions.

It can be used to annotate web pages, PDFs and EPUB files. You can annotate documents and pages publicly, privately, or within a group.

To get started with Hypothesis you'll need to:

• Create an account. 
• Install the Chrome extension or the Hypothesis Bookmarklet if you are using a browser other than Chrome. 
• Start annotating!

What makes Hypothesis different than other tools is that you can annotate PDFs as well as web pages. It also allows for group and collaborative annotation. 

• Create a Hypothesis Account
• Chrome Extension
• Hypothesis User Guide

Opening Web Pages and PDFs

Navigate to the web page or pdf in your browser. 

Next, select the Hypothesis icon located in the right corner of your Chrome browser if it is not already active.

 An inactive icon will appear as light gray, and if it is ready to use it will be black. If you have not used Hypothesis for a while you may need to log in to activate the program.

Once Hypothesis is active on a page you can start annotating. You can highlight text, add annotation, add a note for the whole page, share the page with others, and reply to other comments on the page. You may have to click the toggle arrow to see options, comments, and notes.

Adding Annotation and Highlighting Text

To highlight or add annotation for certain text, simply select the text and the highlight and annotation icons will appear.

To create a note for the entire page, select the note icon that appears on the Hypothesis menu on the right side of the screen. You can also toggle highlighted text on and off using the eye icon.

Formatting Annotation

Once you have selected text to annotate, an annotation box will appear in the menu on the right. The annotation section allows you to perform minor formatting of text such as bold, italics, quoted text, lists, links, and even mathematical notation that is LaTex supported.

There is also an option to add web links and links to online images and videos. Images will appear and videos will play right in the annotation section of the page. 

Adding Tags

You may also add tags to your annotation to better organize your idea and thoughts, and categorize content. To learn more about tags and how they can be used to enhance collaboration and search, please see the Using Tags Tutorial .

Public, Private, and Private Group Annotation

Annotations, notes and highlights can be made public, private or shared within a specific group. All annotation setting default to public unless you choose another option. Public annotations can be seen by anyone who visits the webpage or pdf and has Hypothesis enabled.

Switching from Public to "Only Me"

If you would like to make notes private where only you can see them, be sure to select the Only Me  option in the annotation box.

Once you have selected this option, all other annotations, highlights and notes will default to private on the page and be shown with a lock icon next to your name. To switch back select the Public option.

Private Groups

To share annotations with a group you have already created or have been invited to, select the down arrow next to Public  in the Hypothesis menu. Here you will see any private groups you belong to as well as an option to create a new private group. Selecting a group will allow you to annotate and have only the members belonging to the group view and respond to your comments, highlights and notes. 

To create a new group, select the + New Private Group option. From here you will be taken to a new screen where you will be asked to name the group. Click the Create group button to create the new private group.

Once the group is created, you will be given a link to share to invite new members to the group.

Annotating a Locally-Saved PDF 

To annotate a saved pdf in Hypothesis, open it in your browser. Once it is open in your browser activate Hypothesis to start annotating. The pdf must have selectable text in order for Hypothesis to work. If you have issues with this feature, consult the annotating locally saved pdfs tutorial .

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• Last Updated: Sep 3, 2024 2:57 PM
• URL: https://libguides.trinity.edu/digital-annotation

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PDF.js + Hypothesis viewer / annotator

hypothesis/pdf.js-hypothes.is

Folders and files, repository files navigation, pdf.js viewer with hypothesis.

A web PDF viewer (PDF.js) with Hypothesis added.

This is a copy of Mozilla's PDF.js viewer with Hypothesis annotation tools added.

When to use this project

If you want to embed or link to a PDF on your site with annotation using Hypothesis enabled, the easiest way is using our proxy server: https://via.hypothes.is/<PDF URL> .

For example, to embed a PDF on your site using Hypothesis, you can add an HTML snippet such as the following to your page:

There are situations where the proxy server may not be suitable:

• If the PDF is not publicly accessible (for example, it is behind a paywall, requires a login or is on a corporate intranet)
• If you want to make customizations to the PDF viewer (for example, to add custom analytics scripts or change the configuration of the Hypothesis client)
• If you are running your own instance of the Hypothesis annotation server

If any of the above apply, this project may be useful.

To use it, add the files from this repository to your site and embed or link to viewer/web/viewer.html?file=<PDF URL> .

Clone this repository, then run:

The default PDF should render and the Hypothesis annotation tools will appear when you select text.

Viewing Your Own PDFs

The viewer/web/viewer.html file supports a file query parameter which specifies the URL of a PDF to load. This PDF must either be hosted on the same origin or be served with appropriate headers that allow it to be loaded from the viewer's origin.

For example:

%2F is the URL escaped form of / --so this assumes you have a yourpdf.pdf file hosted at http://localhost:8000/

The PDF.js files in viewer/ are licensed under the Apache License 2.0.

The Hypothesis annotation tools are loaded from the public service at https://hypothes.is , so there's no additional licensing needed. See the hypothesis/h project if you'd like to host your own.

Code of conduct

Contributors 6.

• JavaScript 94.5%

Hypothesis - Web & PDF Annotation

Description.

Add Extension

Start annotating with a free personal account.

Use the Hypothesis browser extension to annotate anything, anywhere. Follow these two simple steps to get started.

Sign up for a free account.

Hypothesis is always free for personal use and collaboration. For our premium Education and Enterprise solutions, talk to our sales team.

Add Hypothesis to your browser.

Install the Hypothesis Chrome extension from the Chrome Web Store. The extension also works on other Chromium-based browsers, including Brave, Vivaldi, and Microsoft Edge.

For Chrome Click the button below to install the Hypothesis extension from the Chrome Web Store.

For Firefox or Safari Drag this button to the bookmarks bar, or right-click/control-click to bookmark the link.

Hypothesis Bookmarklet

How to make annotations.

Go to any page or document in your browser with the Hypothesis extension turned on. Select the content you want to annotate, and a window will open on the right side of the browser. You can also view and respond to other public or group annotations.

View our Annotation Basics for tips on using Hypothesis.

Learn more about Hypothesis.

Ready to experience the Hypothesis transformation? Complete the form to learn more.