Node Js Base64 Decode with Our Free Tool

Below is a list of libraries that support Base64 encoding and decoding in JavaScript along with sample code for each library.

1. JavaScript Standard Library

JavaScript provides the btoa and atob functions for Base64 encoding and decoding in the browser environment.

<script>
const originalString = "test input";

// Encode
const encodedString = btoa(originalString);
console.log("Encoded: " + encodedString);

// Decode
const decodedString = atob(encodedString);
console.log("Decoded: " + decodedString);
</script>

    

2. Node.js Buffer

Node.js provides the Buffer class which supports Base64 encoding and decoding.

const originalString = "test input";

// Encode
const encodedString = Buffer.from(originalString).toString('base64');
console.log("Encoded: " + encodedString);

// Decode
const decodedString = Buffer.from(encodedString, 'base64').toString('utf-8');
console.log("Decoded: " + decodedString);

    

3. js-base64

The js-base64 library provides utilities for Base64 encoding and decoding in both browser and Node.js environments.

<script src="https://cdn.jsdelivr.net/npm/js-base64/base64.min.js"></script>
<script>
const originalString = "test input";

// Encode
const encodedString = Base64.encode(originalString);
console.log("Encoded: " + encodedString);

// Decode
const decodedString = Base64.decode(encodedString);
console.log("Decoded: " + decodedString);
</script>

    

In Node.js:

const { Base64 } = require('js-base64');

const originalString = "test input";

// Encode
const encodedString = Base64.encode(originalString);
console.log("Encoded: " + encodedString);

// Decode
const decodedString = Base64.decode(encodedString);
console.log("Decoded: " + decodedString);

    

Add the dependency using npm:

npm install js-base64
    

4. CryptoJS

CryptoJS is a widely-used cryptographic library that also supports Base64 encoding and decoding.

<script src="https://cdn.jsdelivr.net/npm/[email protected]/crypto-js.js"></script>
<script>
const originalString = "test input";

// Encode
const encodedString = CryptoJS.enc.Base64.stringify(CryptoJS.enc.Utf8.parse(originalString));
console.log("Encoded: " + encodedString);

// Decode
const decodedString = CryptoJS.enc.Base64.parse(encodedString).toString(CryptoJS.enc.Utf8);
console.log("Decoded: " + decodedString);
</script>

    

5. Buffer in React Native

In React Native, you can use the Buffer class from the buffer library for Base64 encoding and decoding.

import { Buffer } from 'buffer';

const originalString = "test input";

// Encode
const encodedString = Buffer.from(originalString).toString('base64');
console.log("Encoded: " + encodedString);

// Decode
const decodedString = Buffer.from(encodedString, 'base64').toString('utf-8');
console.log("Decoded: " + decodedString);

    

Add the dependency using npm:

npm install buffer
    

Welcome to our Node Js Base64 Decode tool, the ultimate solution to Node Js Base64 Decode quickly and easily. Whether you need to convert binary data for safe transmission or storage, our tool provides a simple and efficient way to decode your data from Base64 format.

Why Use Base64 Encoding?

Base64 encoding is a method of converting binary data into a text format using 64 characters. This encoding scheme is especially useful when you need to transfer or store data over media designed to handle text, such as email or JSON files. Base64 ensures your data remains intact and unmodified during transport.

Key Features of Our Base64 Decoding Tool

Simple and Fast Decoding

Our tool makes it incredibly easy to Node Js Base64 Decode. Simply enter your data, click the "Decode" button, and get your Base64 decoded result instantly. No complex configurations or technical knowledge required.

Secure and Private

We prioritize your privacy and data security. All communications with our servers are encrypted using SSL connections. We do not store or inspect the contents of your decoded data, ensuring complete confidentiality.

Free to Use

Our Base64 decoding tool is completely free. You don’t need to download any software or register for an account. Access our online tool anytime, anywhere, without any cost.

Advanced Options

Character Set Selection

While Base64 encoding does not inherently include character set information, our tool allows you to specify the character set used during encoding. Commonly, UTF-8 is used, but other options are available. If unsure, try the auto-detect option for the best results.

Live Decoding Mode

Enable live mode to see your data decoded in real-time using your browser’s built-in JavaScript functions. This feature supports the UTF-8 character set and does not send data to our servers, offering enhanced privacy.

How to Node Js Base64 Decode

Follow these simple steps to Node Js Base64 Decode:

1. Enter your data:Paste your text or binary data into the input field.
2. Click "Decode":Hit the "Decode" button to convert your data from Base64 format.
3. Copy the result:Your decoded data will appear instantly. Copy it for use in your applications.

Example of Base64 Decoding

Here’s a quick example. Decoding the Base64 string "SGVsbG8sIFdvcmxkIQ==" yields:

Hello, World!

In this example, the Base64 encoded string "SGVsbG8sIFdvcmxkIQ==" is decoded to "Hello, World!", providing a simple and efficient way to convert Base64 data back to its original text format.