Amazon Comprehend 's Overview Amazon Comprehend is a natural-language processing (NLP) service offered by AWS. It uses machine learning to derive valuable insights and connections from text in various documents. With Amazon Comprehend, you can extract text, key phrases, topics, sentiment, and more from documents like customer support tickets, product reviews, emails, and social media feeds. The service simplifies document processing workflows and allows you to train models to classify documents and identify terms without any machine learning experience. Additionally, Amazon Comprehend helps protect sensitive data by identifying and redacting Personally Identifiable Information (PII) from documents. It offers several use cases, including mining business and call center analytics, indexing and searching product reviews, managing legal briefs, and processing financial documents. To get started, you can explore more of AWS's services and ensure you are using a supported browser. Amazon Comprehend 's Features Text extraction Key phrase extraction Topic extraction Sentiment analysis Document classification PII identification and redaction Amazon Comprehend 's Q&A What is Amazon Comprehend? What can you extract from documents using Amazon Comprehend? Can you train models to classify documents with Amazon Comprehend? Amazon Comprehend 's Pricing For pricing details, please visit the [Amazon Comprehend pricing webpage](https://aws.amazon.com/comprehend/pricing/). Learn More