In your browser’s web developer console, define the string, encode it, and display the encoded string: // Define the string var decodedStringBtoA 'Hello World' // Encode the String var encodedStringBtoA btoa. Let’s say you have a string, 'Hello World', and wish to encode it to Base64. Take a look at this Stackoverflow question. btoa () takes a string and encodes it to Base64. register onclick events for encode buttonĭocument.getElementById('btnencode64'). Some browsers such as Firefox, Chrome, Safari, Opera and IE10+ can handle Base64 natively. This._keyStr.charAt(enc3) + this._keyStr.charAt(enc4) This._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) + Var chr1, chr2, chr3, enc1, enc2, enc3, enc4 _keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=", In Node.js, theres no inverse of Buffer.toString instead, you pass the base64 data directly to. This object is fully compatible with UTF-8 encoding. Decoding binary data from a base64 string using Node.js. In this page it is presented a JavaScript object that can be used to encode / decode data with MIME base64. Base64-encoded data takes about 33% more space than the original data, but it is useful when you want to transfer compact and encrypted data from an aplication to another (for example from cliend side /browser to a script on server and vice versa).
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