Convert Uint8Array to String in Javascript: Quick Guide

Introduction

When working with data in Javascript, it is common to use Uint8Array to represent binary data. However, sometimes we need to convert this binary data to a readable string format. In this quick guide, we will explore how to convert Uint8Array to a string in Javascript.

Converting Uint8Array to String

The easiest way to convert Uint8Array to a string is to use the TextDecoder API. This API is available in most modern browsers and can be used as follows:

const uint8array = new Uint8Array([72, 101, 108, 108, 111]);
const decoder = new TextDecoder('utf-8');
const decodedString = decoder.decode(uint8array);
console.log(decodedString); // Output: "Hello"

In the above example, we first create a Uint8Array with the binary data representing the string "Hello". Then, we create a new TextDecoder instance with the encoding set to 'utf-8'. Finally, we decode the Uint8Array using the decode() method of the TextDecoder instance, which returns the decoded string.

Conclusion

Converting Uint8Array to a string in Javascript is a simple task using the TextDecoder API. By following the steps outlined in this quick guide, you can easily convert binary data to a readable string format.