Node.js buffers are objects that store arbitrary binary data. Buffers have a toString() method that you can use to convert the buffer to a string.

By default, toString() converts the buffer to a string using UTF8 encoding. For example, if you create a buffer from a string using Buffer.from(), the toString() function gives you the original string back.

const buf = Buffer.from('Hello, World', 'utf8');

buf.toString(); // 'Hello, World'

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