How to Decode a Base 64 Token in JavaScript?

Estimated read time 1 min read

To decode a Base64 token in JavaScript, you can use the atob() function. The atob() function decodes a Base64 encoded string.

Here’s an example:

const base64Token = 'VGhpcyBpcyBhbiBlbmNvZGVkIHRva2Vu';
const decodedToken = atob(base64Token);
console.log(decodedToken); // "This is an encoded token"

In this example, the Base64 token 'VGhpcyBpcyBhbiBlbmNvZGVkIHRva2Vu' is decoded using the atob() function and the resulting decoded token 'This is an encoded token' is logged to the console.

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