This great PDF highlighter chrome extension app, which gives you the ability to annotate and share your documents using a drag and drop format. It also happens to work on other browsers like Chrome, Firefox, Safari and Internet Explorer. Kami is a PDF highlighter tool in Chrome that is available both as an extension and as an app for chrome. A Great Offline PDF Highlighter: PDFelement If your browser of choice is Google Chrome, then you're in luck! Here is a list of great PDF Highlighter Chrome extension to help you highlight and annotate your documents even more. You might even need to simply convert your webpages to PDF for future use. You need these tools even more if you view a lot of webpages and you need to be able to annotate and highlight your work. To truly get the most out of your PDF experience, there are some great tools to help you.