Example 1: This examples encodes the string “This is GeeksForGeeks Javascript base64. I need to encode a PDF file to Base64 with Javascript. Base64 is commonly used to represent binary data in a way that is compatible with HTML, JavaScript, and CSS, such as embedding images or sending form data. Base64 is a binary-to-text encoding system that converts binary data into radix-64 representations, which are then encoded as ASCII strings. This method takes two parameters, a plain-text string, and the character encoding, and creates a buffer or binary data array for the given encoding. btoa and atob work with strings, which they treat as arrays of bytes, so to use these two functions, you should first convert your array of integers (provided they fall in the range 0-255) into a string. i want to create SVG from base64. However, when encoding a string, make sure the string is in the correct character encoding. toString('binary') const decodedData = Buffer(fileDataProcessed, 'base64') // This is the code that you can now upload to your s3 bucket, or somewhere else. authorization is the word Basic followed by the base64 encoded string, you must split the string before decoding. i am trying http://jsfiddle. See examples of encoding and decoding Unicode characters and handling exceptions. And, of course, you will have a special link to download the audio file to your device. log Mar 6, 2024 · The TextDecoder interface represents a decoder for a specific text encoding, such as UTF-8, ISO-8859-2, KOI8-R, GBK, etc. btoa() goes from a string to a base64-encoded string, and atob() decodes back. Base64 エンコード を行う btoa 関数は文字列を引数として渡しますが、その 文字列の文字 1 Apr 27, 2020 · atob() function decodes the base64 string into its original form. Base64. Javascript has a built-in function named atob() which performs Base64 decoding. window. Script is fully compatible with UTF-8 encoding. Decode and Encode Base64 (using JavaScript) Decode as Image. This JSON data includes the Base64 string. May 28, 2024 · This method decodes a base-64 encoded string, which has been encoded by the btoa () method. JavaScript provides two built-in functions that can be used to perform Base64 encoding and decoding: btoa() and atob(). It is widely used for encoding data in applications, especially for data transmission over the web. 0. May 12, 2010 · Some browsers such as Firefox, Chrome, Safari, Opera and IE10+ can handle Base64 natively. Convert Base64 to Audio online using a free decoder tool which allows you to decode Base64 as sound file and play it directly in the browser. How can I decode the payload of JWT using JavaScript? Without a library. stringify ( ) as shown in the example: Stringify a JavaScript Object Sep 5, 2023 · Base64 is a group of similar binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation. Here is an example of how to use atob () to decode Base64 data: const base64String = 'SGVsbG8gV29ybGQh'; // Base64-encoded string. To sum up the other two posts, here are two simple functions to encode/decode Base64 strings with Go: // Dont forget to import "encoding/base64"! func base64Encode(str string) string {. <!----->. atob function to decode your base 64 data. atob Learn how to decode a Base64 encoded data back to normal text in Javascript. from(). Decoding from Base64. Jun 5, 2021 · The result from Buffer. Base64 encoding schemes are commonly used when there is a need to encode binary data, especially Decode and Encode Base64 (using JavaScript) Decode as Image. I am trying to get the compressed ZIP file back in Javascript. In this Javascript tutorial, we will learn about encoding and decoding strings with Base64 in JavaScript. Base64 is a widely used binary-to-text encoding scheme that transforms binary data into an equivalent ASCII character set by translating it into a radix-64 representation. play(); This plays the required sound but sometimes it loads slowly or might not even load at all so i encoded the sound in base 64 and tried to play it this way. And as explained above everything works perfectly if strings are en- and decoded. EncodeToString(buf) fmt. It is frequently used to store data in files and send data over the internet. Jul 4, 2020 · Encoding Data as JSON in JavaScript. Unicode 文字列も結果的にバイナリデータとして扱うため、バイナリデータを Base64 エンコードする方法を先に説明します。. Let's see how we can actually use base64 by uploading an HTML canvas image to the server. 2. toString()) I think the most efficient way of doing Base64/Base64URL decoding is to decode directly in a function instead of changing Base64URL into Base64 and then decoding it. I understood that it is possible to decode with javascript, but how can this be done? Nov 19, 2013 · i am new to javascript. During an Ajax communication JavaScript object or value from your code sometime need to be transferred to the server. serializeToString(document. File type can be image, text or even pdf. log(new Buffer(req. Be mindful of character encoding: Base64 encoding is a binary-to-text encoding scheme, which means it can handle any binary data. Use window. var splash = {. Jul 12, 2023 · In the output we can see the Base64 counterpart for the string that we converted to Base64. Jul 15, 2014 · 0. Apr 8, 2020 · In JavaScript, these are the functions respectively for encoding and decoding Base64 strings and URL. from(s, 'base64'), encode: b => Buffer. Feb 11, 2015 · Use XMLSerializer to convert the DOM to a string. Up to date browsers do support anchor's download attribute, then you just have to do a. Jan 30, 2019 · Base64 Decode. let objJsonStr = JSON. xxxxxxx May 16, 2024 · Base64 Decoding In JavaScript. Upload Base64 encoded data as PDF. wav'); snd. Encode form file to Base64 in JavaScript. 方法名就是atob和btoa，具体语法如下：. For example: // ES5+ const decodedStr = atob ( 'Zm9vYmFy' ); console. I know that btoa() and atob() work as counterparts in javascript. JavaScript provides native functions and modules for encoding and decoding Base64 data. The term Base64 originates from a specific MIME content transfer encoding. The first parameter is the data in Base64 and the second parameter is "base64". answered May 29, 2019 at 14:06. log( emBase64) // Saída: "RGV2UGxlbm8=" // Voltando para string var Jan 29, 2013 · As of Node. decode: s => Buffer. result)) because i want to capture the base64 as a variable (and then send it to Google Apps Script). In addition to a huge number of features, it provides built-in functions to encode and decode data using the Base64 algorithm. In addition, you will receive some basic information about this audio file (duration, MIME type, extension, size). 11. So you can (at the cost of additional storage space) store a Base64 encoding of your persistent value as the cookie value, encoding (and decoding) as you persist (and Nov 30, 2019 · Base64 is commonly used in a number of applications including email via MIME, and storing complex data in XML. Is it there any solution using a HTML5 canvas? Thanks. Test was done like so: I saved base64 data to test_excel. data:image/svg+xml;base64, and there you have it. Note: The blob's result cannot be directly decoded as Base64 without first removing the Data-URL declaration preceding the Base64-encoded data. Base64. atob('OTg5ODk5');// 返回解码 '989899 Jun 11, 2012 · JavaScript offers the two functions btoa() and atob() for Base64 conversion, however these two functions work with single-bytes strings only (ASCII), which means that they won't work with, for example, unicode characters which (can, like UTF-8) use multiple bytes per character. These methods atob () and btoa () are used to convert to string and base64 format respectively. All characters in Base64 are legal cookie-octets (when interpreted in ASCII or UTF-8). Thus, the encoding argument in new Buffer(base64str, 'base64') is ignored. Am able to play sound with javascript through the following, var snd = new Audio('sound. The btoa() method creates a base-64 encoded string from a String object in which each character in the string is treated as a byte of binary data. length; Jun 8, 2013 · I have a base64 string, file type. Jun 4, 2015 · Base64 is a binary-to-text encoding, a sequence of bytes is encoded as a sequence of ASCII characters. The same rule applies to the opposite direction. In other words I want the filedata to get written at the same time that the data is getting base64-decoded, in order to write large files with an efficient way. I suggest to convert to a string first Jul 20, 2021 · 3 Ways to Convert String to Base64. e. parse the code needs to invoke Buffer. atob(pngBase64) instead. Jul 9, 2019 · I was also trying to decode a large image. Make sure you download the PDF as soon as possible becuase link Dec 25, 2023 · Encode a string with Base64. First you convert the string to binary (atob > charCodeAt) and then using the toString (16) you get the hex. Problem is I'm getting ASCII-encoded characters back (like ⢠instead of ™ ). May 15, 2024 · Master Base64 encoding and decoding in JavaScript with our expert guide. I have a GUID in string format e8b75aff-3422-4529-8a6a-15b33e674f48 and I need it in aBase64 string /1q36CI0KUWKahWzPmdPSA== How do I convert it? Thanks. This online decoder is as smart as it is simple. It specifies the string which has already been encoded by the btoa () method. You have to create a new buffer object and pass two parameters to its constructor. Try roundtripping this, and you'll see it works fine: decodeURIComponent(escape(unescape(encodeURIComponent("東京")))) "東京", even thought the intermediate result looks like funny characters--because it IS funny characters. Jul 2, 2024 · An Encoding is a radix 64 encoding/decoding scheme, defined by a64-character alphabet. For internet explorer I used code from here to save a Blob. And this atob () method decodes the above Base64 string and returns I had some trouble trying to let base64_decode decode base64-strings longer than ~5k chars. 25. Base64 Encoding in JavaScript. Conversely, the atob() method decodes a string May 7, 2015 · I'm using the Javascript window. Concisely, server sends me file as base64 string, and I need to save it as file on browser. var snd = new Audio(splash); snd. stringify(obj); let objJsonB64 = Buffer. , a string in which each character in the string is treated as a byte of binary data). Here we have 3 strings - Original, Base64 and Decoded accordingly. Dec 1, 2023 · 3. 11. toString("base64") to get base-64 encoded of the buffer content. Feb 17, 2018 · In addition: I tested the same data with a unix terminal command to base64 decode and write the xlsx directly into that file, and that produced working file. 1 It is therefore not possible to directly encode text as Base64. decode() decodes to UTF-8 string while Base64. When the term "Base64" is used on its own to refer to a specific algorithm, it typically refers to How to convert Base64 to PDF. xlsx is recognized by excel. But I seem to be getting stuck when I use simple functions like atob etc. May 27, 2011 · Once started on the folder that contains the picture to transform, open the url in browser and using developer console you can convert the image to base 64. stringify(words); // 'Hello world' Some explanation As you can see from the examples given in the CryptoJS documentation , parse is meant to parse a string in the format that the encoder is expecting (into a WordArray), and Oct 29, 2008 · For Node. I will not post the code, since its already explained Decode Base64 to Hexadecimal string with javascript. What is the best way to decode this for use? I have found some nodejs solutions, but no client side ones. Jun 14, 2024 · Base64. This is the basics of encoding and decoding base64 in JavaScript. I am able to convert the zip file into Base64 String format. The “Base64 to PDF” converter will force the decoding result to be displayed as a PDF file, even if it is a different file type. . atob i am getting binary data, how i can covert back to Mp3,so i can play the file and save it. How can I save base64 string as file on browser? Feb 21, 2017 · base64String is the string containing the base 64 string. What am I doing wrong with About. Upload Image using Base64 In JavaScript, there are two functions for decoding and encoding base64 strings: btoa() which is used to create a base-64 encoded ASCII string from a string of binary data and atob(), which decodes a base64 encoded string. The atob() and btoa() Functions. play(); Jan 22, 2015 · The body of the message is delivered in a "URL safe base64" format. log(reader. Mar 29, 2016 · I tried to use return reader. atob(encodedData) 例如：. Use Base64. txt` Ran command base64 -D -i test_excel. The btoa() takes a string and encodes it to Base64, and atob() takes an encoded string and decodes it. Conversely, to decode a Base64-encoded string back into its original form, JavaScript provides the atob() function. EncodeToString([]byte(str)) Nov 13, 2013 · Most browsers also support btoa for encoding in Base64 and atob for decoding Base64. const asciiString = 'hello'; // This will work. base64 解码. I only need to convert the base64 encoded data into bytes. If is not possible via a Buffer to stream base64 decoded data then I would like to know how is possible to decode base64 data. In JavaScript, you can use the atob() method to decode a Base64-encoded string back to its original form. Approach: Canvas (for legacy browsers) Load the image into an Image-Object, paint it to a nontainted canvas and convert the canvas back to a dataURL. This question shows you how you can play the mp3 in JS. Note: if base64 data contains new lines, our tool might detect it as invalid base64 data. toString("base64"); To convert image to Base64 and get the original Base64 string, I highly recommend using one of the following methods: Encode remote file to Base64 in JavaScript. atob( String ) Parameter (String): This parameter is required. StdEncoding. . How to achieve Base64. Example: var base64Value = "oAAABTUAAg==" Need conversion method Output (Decoded data (hexadecimal)) A0000005350002 I Feb 1, 2017 · Don't use the b64 version, but instead go directly with the File object you've got from your input. Let's take a look at how to use these Which is a Base64-encoded 1x1 transparent PNG, DO NOT USE Base64. log (decodedStr); // 'foobar'. Di Javascript, kamu bisa menggunakan Base64 untuk encode dan decode strings. Result = base64String; This part of code returns the JSON data. I can create Base64-encoded jpeg or png images in Javascript, but I could not find any way or sample code to create a Base64-encoded string from a PDF file. The result PDF will appear below the form along with the following data: filename, pdf file size, mime type and download link. January 2017 edited February 2017. Syntax: window. No código a seguir, temos dois elementos div dentro dos quais exibiremos a string codificada e decodificada. For server-side JavaScript (Node), you can use Buffer s to decode. As well as HTML and CSS, JavaScript is most often used in web development (of course, it is not only limited to this). Meet Base64 Decode and Encode, a simple online tool that does exactly what it says: decodes from Base64 encoding as well as encodes into it quickly and easily. split(" ")[1], 'base64'). var encodedData = window. This is a simple online base 64 encoder and decoder. from(b64, 'base64'). txt -o test_excel. Base64 is a group of similar binary-to-text encoding schemes that represent binary data in an ASCII string format by transforming it into a radix-64 representation. getElementById("svg")) and then btoa can convert that to base64. This javascript code is used to encode / decode data using base64 (this encoding is designed to make binary data survive transport through transport layers that are not 8-bit clean). If the last block is less than 3 bytes, padding is added to make it a complete block. Important notes about the decoder. I'm in a client-side, javascript context. 0. It's using btoa() and atob() functions. answered Nov 9, 2018 at 7:15. Base64 encoding schemes are commonly used when there is a need to encode binary data, especially Tujuan utama dari encoding yaitu membuat data dapat dilihat atau diterima secara aman, sehingga dapat dibaca dan tersedia oleh end-user. It is conceptually always a two step procedure: convert string to bytes (using some character encoding) encode bytes as Base64. 浏览器中. To retrieve only the Base64 encoded string, first remove data: / ;base64, from the result. decode(nonceBase64Encoded) in JavaScript? Hot Network Questions How to receive large files guaranteeing authenticity, integrity and sending time Jul 2, 2014 · 2. 0 using the constructor method has been deprecated and the following method should instead be used to construct a new buffer from a base64 encoded string: var b64string = /* whatever */; var buf = Buffer. So the token just returns a payload object that can consumed by my front-end app. The btoa() function is used to encode a string to Base64, while the atob() function is used to decode a Base64-encoded string back to its original form. An additional pad character is allocated which may be used to force the encoded output into an integer multiple of 4 characters (or equivalently when the unencoded binary text is not a multiple of 3 bytes) ; these padding characters must then be discarded when decoding but still allow the calculation of the effective length of the unencoded text In JavaScript, you can easily decode Base64 data using built-in functions, such as atob (). Decode string in base64 and load as array JS. net/XTUmV/28/ but it doesnt show anything. toString first to make it work Nov 30, 2023 · Base64 is a method of encoding binary data as ASCII characters, which are composed of 64 symbols: A-Z, a-z, 0-9, + and /. decode(pngBase64). In JavaScript, we have two Base64 helper functions, btoa() and atob(), for converting a string into Base64 encoding and vice-versa. Base64 エンコード. js you can use the following to encode string, Buffer, or Uint8Array to string, and decode from string, Buffer, or Uint8Array to Buffer. JavaScript provides two built Jan 26, 2013 · 1. 3. The = is padding. indexOf(BASE64_MARKER) + BASE64_MARKER. something that worked here for me was these two simple functions: b64encode = function(x) {. You can use base64 encoded data as simple encryption mechanism. Jul 20, 2013 · 42. I wrote a function that can decode both Base64 and Base64URL directly without any other dependency. href = URL. If no character encoding is specified, UTF-8 will be used as the May 29, 2019 · The string is in hexadecimal format you will have to convert it. Base64 encoding is a process of converting binary data (such as an Sep 29, 2023 · Understanding Base64 Encoding. toString("base64") method assume the string is in UTF-8 encoding by default. Base64 encoding is a method of converting binary or text data into a plain text string of ASCII characters. 0, last published: 4 years ago. In any case, feel free to Feb 15, 2024 · Em JavaScript, temos duas funções auxiliares Base64, btoa() e atob(), para converter uma string em codificação Base64 e vice-versa. Base64 is a common format used for the web and email. Decoding a Base64 string is quite similar to encoding it. This encoding is widely used in various applications, such as embedding images in HTML, sending data over HTTP, or storing binary data in JSON. This page was designed to be helpful to developers and anyone doing programming work. In case anyone is as stupid as I am and didn't realize that the string that is returned from req. createObjectURL(yourFile); a. js v5. from(buffer) vs Buffer. Take a look at this Stackoverflow question. The following shows a quick example: // A really plain string that is just code points below 128. Mar 8, 2023 · バイナリデータの場合. Apr 7, 2020 · To convert a string into a Base64 encoded string, we first create a buffer from the given string using the Buffer. parse(base64); var textString = CryptoJS. However, the atob() function doesn't work properly if the encoded data contains DOMStrings which are 16-bit encoded. from is an instance of Buffer. Rix. It allows binary data to be transmitted in plain text format without risk of the data being Jun 3, 2024 · Window: btoa () method. getDecoder(). var image="data:image/png;base64, See full list on freecodecamp. const stringToEncode = 'foobar'; const encodedString = btoa (stringToEncode); // 'Zm9vYmFy' Decode a Base64 encoded string. There are 1700 other projects in the npm registry using base-64. btoa(s); Just prepend the data URL intro i. In JavaScript Base64 is mainly used to encode and decode strings, especially when that data needs to be stored and transferred over media that are designed to deal with text. Then on the nodejs server you can use Buffer directly: const b64 = "SGVsbG8sIFdvcmxkIQ=="; const fileDataProcessed = Buffer. headers. A decoder takes a stream of bytes as input and emits a stream of code points. base64_decode a jQuery Object array parts. atob does not work since it is URL safe. The btoa() method of the Window interface creates a Base64 -encoded ASCII string from a binary string (i. It allows binary data to be transmitted in plain text format without risk of the data being var base64 = 'SGVsbG8gd29ybGQ='; var words = CryptoJS. This function takes a Base64-encoded string and returns the decoded binary data as a string. Jan 26, 2013 at 10:27. var s = new XMLSerializer(). atob() decodes to bytes, which is compatible to browser built-in atob() (Which is absent in node. ,thx, i converted using window. Utf8. Please note that you may have to do some additional work to decode a multibyte encoded string . The most common encoding is the "base64"encoding defined in RFC 4648and used in MIME (RFC 2045) and PEM(RFC 1421). Decoding. whateverExtension'. // Uma string qualquer var string = 'DevPleno' // Convertendo para Base64 var emBase64 = btoa( string) console. Thanks to it, this converter allows you to Feb 19, 2020 · Learn how to use btoa() and atob() functions to encode and decode binary data into ASCII strings in JavaScript. from(string[, encoding])). 4. May 20, 2020 · JavaScript provides two built-in functions (btoa and atob) to encode data to Base64 and decode it. The base64-decoding function is a homomorphism between modulo 4 and modulo 3-length segmented strings. enc. About. Both atob() and btoa() work on strings. To encode data to Base64 in JavaScript, use the function btoa: var b64 = btoa ('guru'); console. let BASE64_MARKER = ';base64,'; let base64Index = dataURI. authorization. Image to Base64; Base64 to PDF; Develop a Base64 converter; Blob to Base64; Form file to Base64 Apr 8, 2023 · 1 min read. In the below code, we have two div elements inside Apr 29, 2016 · 1. Using atob () and btoa () in Javascript. Feb 4, 2015 · Trouble decoding tiled base64 data with javascript. Sep 13, 2016 · Needing to convert a Base64 string to Hexadecimal with javascript. So you need to both decode from base64 and convert from utf8 to utf-16. JSON encode/decode base64 encode/decode in JavaScript. This btoa () method simply encodes or creates the Base64 ASCII string from the given file or object. RFC 4648also defines an alternate encoding, which isthe standard encoding with - and _ substituted for + and /. atob (): It decodes a Base64 encoded string created by btoa (). It is commonly used for encoding and transporting data over media incompatible with transferring binary data. Feb 15, 2024 · Encoding and Decoding a String to Base64 in JavaScript. Aug 25, 2022 · Base64 encoding and decoding in JavaScript. Jul 20, 2015 · The base64 encoding is done on the server because there is some processing involved by converting from HTML to PDF. Status = "ZipFile"; _response. download = 'yourfile. XXXXXXXX. The btoa() function and Buffer. Therefore, if you are not sure that your Base64 string is a PDF, use the Base64 to file converter since it is capable of displaying various file types. btoa (): This function uses the A-Za-z0-9+/= characters to encode the string in Base64. May 4, 2017 · In JavaScript there are two functions respectively for decoding and encoding base64 strings: atob() btoa() The atob() function decodes a string of data which has been encoded using base-64 encoding. Hi, I need to decode base64 encoded output of a rest service and compare the decoded result with a value from a database, but I don't know how. Here are few of the examples. I know this question is old, but also wanted to accomplish this and came across it while looking. toString('base64') }; edited Jan 14 at 17:31. Anyone has written a payload function decode to convert base64 to binary/hex data? Thanks much! It seems that the decoding function base64_decode gets the data as a buffer. return base64. Base64 encode your data without hassles or decode it into a human-readable format. You should instead use buffer. 1. answered Feb 11, 2015 at 9:35. js). from(b64string, 'base64'); // Ta-da. The “Base64 Decode Online” is a free decoder for decoding online Base64 to text or binary. Also, some objects have methods for encoding their values to Base64. Latest version: 1. Base64 Encoding Javascript to C#. const base64 = {. result from the getBase64() function (rather than using console. In JavaScript there are two functions respectively for decoding and encoding base64 strings: atob() - decodes a string of data which has been encoded using base-64 encoding Oct 17, 2023 · The core functions to base64 encode and decode in JavaScript are btoa() and atob() . Encode / Decode base64 with javascript? Test Posts: 5 . Wikipedia says. js v6. For Node. I need to show download link and when user clicks it should start downloading as expected file. Result. org Jun 13, 2018 · Hello! I am trying to use the custom javascript decoding to read my sensor data. To transform that buffer instance into a string that can be used in JSON. xlsx; test_excel. The atob () function takes a Base64-encoded string as input and returns the decoded binary data as a string. In other words, it is a tool that converts Base64 to original data. Using your data, this should do the trick: function convertURIToBinary(dataURI) {. Its superpower is the ability to automatically detect the encoding standard. from(objJsonStr). Decoding adalah proses membuka kunci dari konten, file, data atau informasi yang sebelumnya sudah di encode. js. console. Or even better, Base64 Apr 18, 2019 · in := "Good afternoon, or こんにちは" buf := []byte(in) str := base64. The data you have now in the buffer is real mp3 data. encodeURI (): This encodeURI () function is used to encode a URI. Utilizando Base64 no navegador (Internet Explorer 10 e acima): O código abaixo pode ser copiado e colado dentro do Console do Chrome, para vê-lo executando. O btoa() pega uma string e a codifica em Base64, e atob() pega uma string codificada e a decodifica. 28. You can use this method to encode data which may otherwise cause communication problems, transmit it, then use the Window. (Compare the docs of Buffer. var decodedData= window. atob() function to decode a base64-encoded string (specifically the base64-encoded content from the GitHub API). 1 and below. Decoding Base64 Strings with Node. The resulting Base64-encoded string, "SGVsbG8sIFdvcmxkIQ==," is printed to the console. 1. Of course, we can use new Image () to draw a canvas and using the toDataURL () method to get the Base64 string. That motivates a divide and conquer approach: Split the encoded string into substrings counting modulo 4 chars, then decode each substring and A robust base64 encoder/decoder that is fully compatible with `atob()` and `btoa()`, written in JavaScript. edited May 29, 2019 at 14:12. Dive into practical examples, personal insights, and tips to enhance your web development skills and handle data efficiently. Conversely, the btoa() function creates a base-64 encoded ASCII string from a "string" of binary data. Aug 17, 2019 · I would create a function that converts the URI to pure binary by removing the base64 headers, and then setting that as the audio source. (Zip file is in Server) Here is my try (at Server Side) _response. JavaScript provides a method that converts a JavaScript value to a JSON String by using JSON. Base64 is a popular encoding technique used for converting binary data into ASCII (American Standard Code for Information Interchange) format. Jun 30, 2016 · Basically the Buffer class represents byte streams, it's only when you convert it from/to strings that encoding comes into context. To create a blob from the base64 string there were many results on this site, so its not my code I just can't remember the specific source: 从IE10+浏览器开始，所有浏览器就原生提供了Base64编码解码方法，不仅可以用于浏览器环境，Service Worker环境也可以使用。. Example token: xxxxxxxxx. – user663031. Println(str) That prints the base64 encoded (ASCII safe) representation: R29vZCBhZnRlcm5vb24sIG9yIOOBk+OCk+OBq+OBoeOBrw== JS strings are UTF-16. from(b). Start using base-64 in your project by running `npm i base-64`. In order to get to know them better, I suggest looking at the examples on this page. Binary to decimal conversion: Each block of 3 bytes is converted from binary to decimal. from() method. Here's a detailed explanation of how the Base64 algorithm works: Input data preparation: The input binary data is grouped into blocks of 3 bytes (24 bits). dt ve gd mg pn eu wf lf oo uz