Elmo is an AI-driven extension specifically developed for Chrome that aims to enhance user productivity and understanding of content across different formats.

The tool provides the ability to summarize website content, condensing lengthy passages into concise overviews for quick comprehension. It has a unique feature of interaction with YouTube videos wherein users can ask questions and obtain relevant insights as if partaking in a conversation with the video content.

This makes it an asset for learners and researchers who want to engage more deeply with video-based resources. Another interesting feature is its capability to simplify the process of reading large documents.

Elmo enables users to converse directly with a PDF file, making it easier to digest and review extensive pieces of text. Also, users can pose specific questions and receive direct answers from the webpage, reducing the time and effort spent on browsing through large amounts of material.

The tool allows a deep dive into keywords by fetching relevant information from the web for research or learning purposes without having to navigate away from the current webpage.

In addition to these capabilities, Elmo distinguishes itself with format versatility, functioning across HTML, PDF, and Google Docs. Elmo is a tool by Lepton AI.