There are many ways to take notes on computers and mobile phones, but annotating a web page keeps your notes in a relevant place. This functionality isn't built into most web browsers, so third-party ...

The markup tool in Safari lets you highlight text, add notes, insert your signature, and more. To access it on Mac, take a screenshot of the webpage or convert it into a PDF and use the Markup tool ...

Safari is not as popular as Google’s Chrome, but it does come with really useful features that aren’t available on popular browsers; for instance, support for browser extensions on mobile can extend ...

Diigo—an Evernote-style program that lets users annotate and save Web pages—is now available as an iPad application. An iPhone version of the app has been available since 2009. Diigo users can install ...

Hypothesis is a free, open access platform that stands out from many other annotation tools with broader functionality. In particular, it offers students the opportunity to work collectively to share ...

If you need to take screenshots of Web pages–and annotate them and send them to others–you’ll want to immediately download FireShot (free). This excellent Firefox add-in is the best tool I’ve yet seen ...

A browser extension that allows you to save HTML files, image files, and style sheets as a single HTML file when you want to save the website you are viewing with a web browser, including the images ...