What is a Summarizing Tool? Summarizing Tool is an AI-based tool that sums up the long text into the shortened one. Summarized text usually has the key sentences that are an overview of the whole context. To understand this tool better, here is the definition by YourDictionary.com: “Summarizing is defined as taking a lot of information and creating a condensed version that covers the main points”. Summarizing tool can convert the 3-4 paragraphs into a single paragraph with just a single click.