Shortify is an AI tool that summarizes content from various sources, including YouTube, PDFs, and articles. It works on a mobile app and allows users to quickly share and save time. With Shortify, users can clear backlog tabs or skip ads on cluttered websites. The tool also offers a shorter summary option and tracks time saved. It is free to use for the first 100 summaries and is privacy-focused with no data collection or third-party trackers.