PDF Annotations and Change tracking for Academics

Highlight, comment, and collaborate on your PDFs with ease. Perfect for students, professors and business professionals aiming for productivity.

Features

Change Detection

Want to notify coauthors of any revisons made to a new version? Upload a document revision and get the changes back highlighted as annotations!

Seamless annotations

Select text or click anywhere in the document and use the sidebar-buttons. Or just start typing to directly create a comment, press Enter to highlight the current selection or backspace to suggest to remove some text!

Comment management

Turn the feedback cycle into an interactive process with comment threads, and mark annotations as resolved to keep track of your todo list!

Share and Collaborate

Make receiving feedback as simple as sending a link.

Import existing annotations

Even if your team is stuck using a different annotation tool, you can still save time in the feedback process.

Dark mode

Because we've all had that all-nighter to finish a report before the deadline