Buffers are a fundamental yet often overlooked component in Node.js that enable efficient handling of binary data. This article explores their core concepts, practical usage, and how they empower developers to manipulate raw data streams effectively. From creating buffers to encoding and decoding data, understanding buffers unlocks a new level of control in Node.js applications, especially in networking, file I/O, and cryptography. Dive into code examples and best practices to harness the full potential of buffers in your projects.