While Acrobat Pro remains the gold standard for indexing, there are alternatives if you do not have a license:

As a powerful tool for creating, editing, and managing PDF documents, Adobe Acrobat Pro offers a wide range of features that can enhance the usability and accessibility of your digital content. One of the most significant features in Acrobat Pro is indexing, which allows you to create a searchable and navigable database of your PDF documents. In this article, we'll dive deep into the world of indexing in Acrobat Pro, exploring its benefits, best practices, and step-by-step instructions on how to create and manage indexes.

The feature in Adobe Acrobat Pro is primarily a powerful search tool designed to accelerate word searches in large documents or collections. Unlike a visual index or Table of Contents, this index is a hidden digital catalog of every word in a file, allowing Acrobat to find terms 10 to 20 times faster than a standard scan. 1. Types of PDF Indexes