Javascript string to base64 buffer. my code is var reader = new FileReader(); reader.

log(bufferString) to be: 03 67 00 cf 04 68 61 00 ff 01 2d The TextEncoder API. Then, . g. For example, you can encode, transmit, and decode control characters such as ASCII values 0 through 31. I didn't found a solution right now to convert it to a readable string and the other direction seems to be the same problem. but i don't know why, but btoa() expect the input to be an ASCII char composed string. 概念の整理. you will get rid of this deprecation mark. buffer を利用して Base64 のエンコードおよびデコードを行う例は次の通りです。. And this atob () method decodes the above Base64 string and returns Buffer. const text = 'stackoverflow'; async function digestMessage(message) { const msgUint8 = new TextEncoder(). charCodeAt(0)) And then if you really need a string, you can use a TextDecoder, which Sep 20, 2022 · Encoding PDF to Base64 string and using Node. , a string in which each character in the string is treated as a byte of binary data). btoa('ééééééé'); >> InvalidCharacterError: String contains an invalid character Mar 7, 2018 · If the base64 string is indeed a base64 encoded PDF file, then it must be sufficient. js is via the Buffer object. So far tried below mentioned things: . I could convert the data I have in a Buffer like so: var img = new Buffer(img_string, 'base64'); But I have no idea how to convert it to a ReadableStream or convert the Buffer I obtained to a ReadableStream. atob(base64); var len = binary_string. encrypt(buf)); encryptedBytes. toString(); We're just extracting the ArrayBuffer from the Uint8Array and then converting that to a proper NodeJS Buffer. But it should work also with the Firebase one by replacing the file. Using the atob function is deprecated and I suggest you this little snippet to decode base64 encoded strings: const encoded = "SOME_BASE64_STRING". But please show more of your code, it's not really clear where record comes from and what database library you Aug 19, 2021 · btoa and atob are only deprecated for Node. From Buffer to ArrayBuffer: function toArrayBuffer(buffer) {. decode(a String) returns a Buffer I guess that I need to convert the message first to something else and then to base58. You can split it into distinct bytes using the following: function strToUtf16Bytes(str) {. from(b64, 'base64'). from("Hello World"). Buffers have a toString () method that you can use to convert the buffer to a string. It seems that you have to convert your server to send non-base64-encoded images or go back to your old way of displaying images. May 30, 2024 · The Buffer module in Node. js. function _base64ToArrayBuffer(base64) {. One way you can do this is by using a library to add support for UTF16BE, like iconv-lite. Base64 is only supported in data URIs. log(bufferOne); // Output: <Buffer 54 68 69 73 20 69 73 20 61 20 62 75 66 66 65 72 20 65 78 61 6d 70 6c 65 2e>. Node. we can create base64 string from workbook. from(await blob. Jun 9, 2017 · Is better you use Buffer. Encode and decode base64 strings. Check if two objects are deeply Jan 22, 2016 · A Uint8Array is basically an array full of charcodes, so you could split all the characters and convert them to charcodes, and then using that array and calling Uint8Array. from creates a buffer (aka raw binary data), not an encoded string, the argument that you provide is the encoding the string is currently in. from('Hello, world!', 'utf-8'). digest('SHA-256', msgUint8); // hash the message const hashArray = Array. map() and toString() methodsusing JavaScript Array. toString('base64')) Is there any alternate available in Node js to convert a string to base64 instead of using Buffer. Something like this should work: var string = "Hello World!" var uint8 = Uint8Array. I suspect that your base64 string is either something else or it has been encoded wrongly. packer. The cleanest is to first decode this base64 string in an ArrayBuffer and then read that ArrayBuffer as string, just like your node code: May 7, 2015 · Its counterpart atob(), on the other hand, will take a Base64 formatted string and return a binary string without any regard to whether the contents represent a Latin1 string, a UTF-8 string, a UTF-16 string, or arbitrary binary data. answered Jan 22, 2019 at 10:23. It doesn't handle the character encoding itself, which is handled as Unicode by String. On the other hand, if you are trying to use btoa or atob in the back-end side, you definitely should use Buffer interface. Mar 14, 2015 · Base58. Again, create a buffer instance using the Buffer. js buffers. js has both ArrayBuffer as part of v8, but the Buffer class provides a more flexible API. – Giacomo Catenazzi. The most straightforward method to convert a string to bytes in modern JavaScript environments is using the TextEncoder API. I've used the same code on a known text string that is encoded with base64 to verify the basic logic. Solution 2: Dec 14, 2019 · Beware it's not the same as converting "to an UTF-8 string", since JavaScript only supports UCS-2 and UTF-16 strings. Base 64 encodes chunks of 3 bytes (for this reasons it has often either a protocol which decide the length, or the = at the end of a base64 string). fromCharCode and str. from(new Uint8Array(hashBuffer . let json = JSON. from() method to create a buffer from a given input value: const buffer = Buffer. Buffer is a storage type that uses dynamic heap and is used for ensuring conversion standards ( IPCs can be encoded in utf-8, however if you start utilizing Sockets or network packets then JavaScript encodes strings as UTF-16, just like C#'s UnicodeEncoding, so creating a byte array is relatively straightforward. from is an instance of Buffer. map(x => x. But when the source data is binary before being encoded, the console statements don't print anything. toString('base64'); // your base64 string. from(choice. toString('base64') let encoded = Buffer. encode(message); // encode as (utf-8) Uint8Array const hashBuffer = await crypto. toString('ascii')) Hello World The Buffer constructor is a global object, so no require is needed May 16, 2022 · An alternative to URL. from(base64ImgStr, 'base64')) file. . Note: A robust implementation of the String to ArrayBuffer conversion capable of handling more encodings is provided by the stringencoding Oct 3, 2012 · And to decode the base64 string back to a Uint8Array: var u8_2 = new Uint8Array(atob(b64encoded). この実行結果は次にのようになります。. from(base64String, 'base64'). Explanation Sep 28, 2020 · 4. Dec 25, 2023 · Encode a string with Base64. You have to convert the base64 string back into the original binary data. I just want to get file object by decoding base64 string (encoded by other app from a file) without html file input form. I have a library that takes as input a ReadableStream, but my input is just a base64 format image. This is by design. Decoding a base64-encoded string is also possible using the global Buffer class. When encoding a Buffer to a string, this encoding will omit padding. Then on the nodejs server you can use Buffer directly: const b64 = "SGVsbG8sIFdvcmxkIQ=="; const fileDataProcessed = Buffer. Data truncation may occur when decoding strings that do not exclusively consist of an even number of Aug 31, 2022 · 本記事ではこれらのオブジェクトの概念を整理することでJavaScriptでのバイナリデータの扱いの見通しを良くしていきます。. Reload to refresh your session. Here is my function to convert a base64 string to an image file Sep 10, 2015 · Buffer. Convert a DataView to a string. The response you got originally ( {type: 'Buffer', data: Array(215499)}) makes it look like choice is a buffer already - you should then need only const base64String = choice. result from the getBase64() function (rather than using console. toString('binary') const decodedData = Buffer(fileDataProcessed, 'base64') // This is the code that you can now upload to your s3 bucket, or somewhere else. The first SO result is this question from 2014. toString("base64"); – Rowland. btoa() works fine except in older IE versions. Using atob () and btoa () in Javascript. const textEncoder = new TextEncoder(); const uint8Array = textEncoder. Aug 21, 2020 · Node. The accepted answer is. 1,100 12 18. from(stringToEncode). from(string, 'utf-8'). cryptoPrivateToPem(keyPair. edited Nov 16, 2022 at 21:19. For example, if you create a buffer from a string using Buffer. from(aesCbc. As you can see, it only takes a few lines of code to seamlessly convert between raw strings and base64 encoded strings. with the file buffer you can get the base64. Save Base64 String as an Excel . Please help. 0. It seems like I get from the old C++ clients an utf16 buffer. join ('') etc. forEach() and String Jul 23, 2021 · I am working with an API that requires me to authorize my client id and client secret. from('This is a buffer example. This class can handle encoding/decoding base64 3. buffer; Jul 31, 2016 · Usage example: crypt. You can use the Window. js, you can use the built-in Buffer object to convert a buffer to a Base64 encoded Sep 15, 2023 · In the code above, Buffer. This is example of converting String to a Buffer and back to String: let bufferOne = Buffer. May 10, 2016 · If your target user using modern browser such as chrome and edge, just use browser Crypto API:. from(input, encoding) is the encoding of your input value. UTF16), it will break. Mar 7, 2019 · 15. In order to change the encoding, you have to encode it again: Buffer. apply (null, buffer) buffer. Here are the two variables: Feb 28, 2020 · You'll need to convert the buffer to a base64 string. Encode each line separately (useful for when you have multiple Dec 15, 2021 · I'm trying to take a Base64 string, convert it to a hex string and group the output by bytes. const fs = require ("fs"); const path = require ("path"); const utils = require ("util"); const puppeteer Jul 20, 2021 · 3 Ways to Convert String to Base64. If a string contains characters that can't be represented in 8 bits(e. toString('base64') and to decode it just use. length; When creating a Buffer from a string, this encoding will also correctly accept regular base64-encoded strings. In the context of converting a JavaScript Buffer to Base64, we can use the from() method to create a Buffer object from the original Buffer and then convert it to Base64. from('someText'). Jun 14, 2012 · This is an ArrayBuffer view that aligns bytes of the ArrayBuffers as 16-bit elements. from(base64data, 'base64'). 4. split(""). toString('base64');. from('Your String'). I try using btoa method but it says that it is deprecated? This is what I have tried so far: &quot;Authorization& Buffers can be used for taking a string or piece of data and doing Base64 encoding of the result. And what’s more important – we can use this encoding in “data-urls”. toString("base64") Similar to reverse the process: Nov 18, 2021 · Base64 Decode a Value in Node. This check will tell whether str is pure base64 or not. You can use this method to encode data which may otherwise cause communication problems, transmit it, then use the Window. Create a new ArrayBuffer with the same length as the binary string. Make sure to pass the correct encoding to initialize the buffer Jul 18, 2020 · 1. toString('base64'); Jun 19, 2021 · Alternate for converting string to base64 without using Buffer in Node js Hot Network Questions It was the second, but we were told it was the fifth Encode files to Base64 format. log(reader. arrayBuffer(); var processImageBuffer = arrayBufferToBuffer(processImageBuffer); // convert promise array to buffer May 20, 2016 · 1. from(string. You can just get a buffer directly from the response. Destination character set for text files. base64 is a style of storing information (where 6 bits encode your information). To handle Unicode characters, you need, firstly, to escape the string to an array of 8-bit bytes and then use the window. toString() Edit: For client-side usage without the browserify module I recommend you to use this package. const buffer = Buffer. Jul 29, 2019 · I want to convert it to a string. HTTP doesn't have native support for sending base64-encoded data, so the browser won't be able to decipher your image once it is requested. Select a file to upload and process, then you can download the encoded result. Jun 5, 2021 · The result from Buffer. from("some string", "utf8"). answered Feb 13, 2018 at 15:29. toString("base64"); console. Here is an example you can run in node: Aug 6, 2023 · The from() method in JavaScript's Buffer class allows us to convert a given input to a Buffer object. What is the output of the atob? Normally you should be able to see some PDF-specific headers in there. Here's how you can do it: function base64ToArrayBuffer (base64) { var binaryString = atob (base64); var length = binaryString. Buffer. Here's an example for a PNG image. Mar 15, 2022 at 13:23. There is no way to do that. toBlob(doc). Is there a way to do this? Feb 20, 2023 · 1. Convert a Buffer to a Uint8Array. You cannot directly manipulate the contents of an ArrayBuffer; instead, you create one of the typed array objects or a DataView object which represents the buffer in a specific format Jun 3, 2024 · The atob() method of the Window interface decodes a string of data which has been encoded using Base64 encoding. Supports separator, suitable for binary data and React Native, relatively high performance. To transform that buffer instance into a string that can be used in JSON. So I want to convert a base64 string to the javascript file object like that. I am not clear on where your image is stored and format it's in however. toString('base64') converts this Buffer to a Base64 string. parse(decodedRequestBodyString. Pass it your base64-encoded string as the first argument and the base64 encoding as the second argument. Thank you. Right? The next step is to convert this PDF binary to base64 encoded string. xls file using JavaScript in IE 7. May 12, 2010 · For server-side JavaScript (Node), you can use Buffers to decode. data) looks weird. log(encodedString); This will also output the Base64-encoded version of the string “Hello, World!”. toString('utf-8'); // Outputs original "Hello World" string. And to decode the base58 message, again, a conversion to something else is needed and from there to text, right? Sep 13, 2019 · Convert image buffer to base64 Hot Network Questions Do programs within which a computable function runs a random number of times always halt, as in the halting problem? Dec 3, 2018 · I need to base64 encode the content of a raw PDF (already got the raw content). charCodeAt(0); })); If you have very large array buffers then the apply may fail with Maximum call stack size exceeded and you may need to chunk the buffer (based on the one posted by @RohitSengar). '); console. Apr 6, 2021 · const base64data = Buffer. In case you’re working with a different encoding than UTF-8, you can provide it there. const arrayBuffer = new ArrayBuffer(buffer. Here is an example of how to use it: // To encode a string in Base64, use Buffer. Here's a step-by-step guide with code examples and outputs for both methods: Method 1: Using Node. Form stream I am able to create an image so there is no way the stream is corrupted. Mar 13, 2018 · From 0 to 255 in 1ms. from(uint8arr. stringify(msgBody)). This nitpick passed, there are many methods to do the same as this code in a browser. js Buffer. You signed out in another tab or window. – Dec 1, 2023 · Here’s how you can use the Buffer object to encode a string to Base64 in JavaScript: const stringToEncode = "Hello, World!"; const encodedString = Buffer. from on it. TypeScript で Base64 を行う方法. Then we convert the Buffer to a string (you can throw in a hex or base64 encoding if you want). Jun 22, 2023 · In Node. Here are a few of the most used techniques discussed with the help of JavaScript. here is the code. from(base64, 'base64'); const text = buffer. My understanding from the question is that the input is a string, and the goal is to tell if it is base64 encoded or not. atob Jan 20, 2012 · let str = Buffer. toString('hex Nov 16, 2022 · 0. To convert from a string to a Buffer object, use the static Buffer. It's usually used for image to binary conversion (and encoding decoding). The challenge is converting the string into a buffer of bytes; once you have it in a buffer, converting it to base64 is easy. Newline separator (for the "encode each line separately" and "split lines into chunks" functions). my code is var reader = new FileReader(); reader. from() results in broken file. fromCharCode (c)). You'll usually want the default UTF-8 encoding, but it's possible to indicate a different encoding if needed. file(file_path_in_gs) const contents = new Uint8Array(Buffer. toString()); Apr 5, 2020 · Where I need to convert the array buffer in this code to be converted to base64, and in order to test if the base64 is indeed correct I need to convert the base64 back to arrayBuffer and then feed that into the sourceBuffer for display. Given a base64 string, what is the safest and most efficient way to create an ArrayBuffer. Apr 3, 2020 · for sending docx file to browser use toBlob() method instead of using toBase64String() method and again converting to buffer. from(str) creates a new Buffer containing the given JavaScript string str. NodeJS has a built-in class called Buffer. 5. Feb 1, 2018 · Yes, I see - so, request and got get the same result as each other, so, they both get it "wrong" in the exact same way - converting the first 80 or so characters from base64 to binary should help you see where they are going wrong In a nutshell, it's easy to convert a Buffer object to a string using the toString() method. from method. まずバイナリデータを処理しようとしている環境がNode. Dec 23, 2011 · In older versions, node. Understanding ArrayBuffer and Base64 Encoding. btoa() function to encode to Base64: Mar 11, 2016 · 'file' variable is a javascript file object. js) or the btoa function (in web browsers). const decoded = new Buffer(encoded , "base64"). Nov 13, 2021 · 2. original = user1:password-goes-here! decoded = user1:password-goes-here! ちゃんと、エンコードした文字列から元の文字列に Jun 11, 2024 · The task is to convert an integer array to a string array in JavaScript. Jan 8, 2019 · For NodeJS (with node-fetch), you can get a buffer from blob using Buffer. To convert a base64 string to an ArrayBuffer in JavaScript, you can use the atob function to decode the base64 string into binary data and then create a new ArrayBuffer from that binary data. Using atob is not sufficient, you'll have to run it through a loop and convert it to an array buffer - Convert base64 string to ArrayBuffer Then use that to create the blob. Again, note Jul 12, 2023 · The easiest way to encode Base64 strings in Node. 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. toString () . . e. Btw I have no access to data since when I try to access data it throws undefined so I pass the complete object which in this case is buffer to Sep 7, 2023 · In JavaScript, you can convert a buffer to a Base64 encoded string using the Buffer object (in Node. length); Feb 27, 2023 · now, this is getting converted to base64, so that I can show it back as PDF file with the below method: so the param passing as buffer to arrayBufferToBase64 method is the data shown in the above image. Before diving into the conversion process, let’s briefly understand the two key concepts involved: ArrayBuffer and Base64 encoding. toString('base64')); SGVsbG8gV29ybGQ= > console. The maximum file size is 192MB. from() method - again optionally passing the encoding. 1. Jul 9, 2019 · I was also trying to decode a large image. A data url has the form data:[<mediatype>][;base64],<data Jun 3, 2024 · Window: btoa () method. For example: > console. decode(byteArray); const byteArray = new TextEncoder(). new String (buffer) String. May 15, 2016 · This WHATWG standard provides straightforward methods to convert between byte arrays (which have a buffer attribute) and strings: const str = new TextDecoder(). Raul Santelices. parse the code needs to invoke Buffer. However, the btoa() function accepts a string where each character represents an 8-bit byte. 'hex': Encode each byte as two hexadecimal characters. from(atob(b64), c => c. from(JSON. Also describes how to convert strings to base64 using Node. btoa() method to encode and transmit data which may otherwise cause communication problems, then transmit it and use the atob() method to decode the data again. I have the stream and buffer. const file = storage. Create a new Uint8Array view from the created buffer. Learn how to use JavaScript’s btoa() and atob() to convert strings from binary data to ASCII and vice versa. // Uma string qualquer var string = 'DevPleno' // Convertendo para Base64 var emBase64 = btoa( string) console. charCodeAt. encode(str); const buffer = byteArray. console. This example reads the image as a file. encode("Your string here"); This method encodes the string into a Uint8Array as UTF-8 bytes. js環境の場合は So, basically, I had to trim the string accordingly to match the expected format and wrote a base64 to file conversion function following this answer. privateKey). js, Buffer is a global object which means that you do not need to use a require statement in order to use the Buffer object in your applications. Specifically a typeless array buffer in pure modern JavaScript. toString('ascii') As far as it goes to your code, its not wrong base64 conversion is right, may be there can be issue in your temporary_user_id, because of that you are getting some awkward text but conversion is done right Oct 11, 2023 · Buffer. toString('base64') === str. atob() and . result co Aug 5, 2017 · 1. length; var bytes = new Apr 21, 2014 · Anyone know of a good snippet of JavaScript code to convert HEX encoded strings to base64 encoded strings? Buffer. stringify(json); const objJsonB64 = new Buffer(objJsonStr). You can do that with. As per the doc at this location. Jul 31, 2020 · The more effective (see below) option would be, if your LZ library supports it, to not interpret the base64-encoded buffer as a string and pass it to the library as a Uint8Array directly. const requestBodyObject = JSON. charCodeAt())) edited Aug 2, 2022 at 14:06. Under the hood, the Buffer handles all the binary to base64 mapping and conversion for you. Aug 4, 2022 · 18. js buffers are objects that store arbitrary binary data. How can i parse a base64 from a PDF buffer to a HTLM / JSON / PLAIN-TEXT? Aug 11, 2023 · Here's how you can use the btoa() function in JavaScript to convert strings to base64. contentType: img_type, metadata: {. If you’ve ever handled files at all with Javascript, you’ve probably seen the Uint8Array typed array or ArrayBuffer object; either one is frequently caught handling a Feb 25, 2021 · Just a common axios request. toString('base64'), because new Buffer is deprecated. log( emBase64) // Saída: "RGV2UGxlbm8=" // Voltando para string var This isn't easy as the encoding UTF16BE has little to no support in javascript. How to encode base 64 string in ReactJS when btoa is deprecated? 0. apply results in RangeError: Maximum call stack size exceeded, so in my case, that's not an option. map(function(c) { return c. fromCharCode. If you prepend the window. An ArrayBuffer is a fixed-length, low-level JavaScript object that represents a generic, fixed-length binary data buffer. const stringToEncode = 'foobar'; const encodedString = btoa (stringToEncode); // 'Zm9vYmFy' Decode a Base64 encoded string. save(contents, {. The from() method takes two parameters: Convert a Buffer to a string. const objJsonStr = JSON. join() and split() methodsusing JavaScript Array. log(Buffer. Approaches to convert Integer array to String array:using JavaScript array. encode(a Buffer or Uint8Array) returns a String Base58. May need to adjust things based on your data source. In order to read or write to an ArrayBuffer, you only need to create a view and copy across. map (c => String. log(pemPrivateKey); }); Hi Peter, this code is simpler, so usually is better. then((blob) => { // saveAs from FileSaver will download the file saveAs(blob); }); Feb 18, 2021 · I am using Buffer to convert a string to Base64 encoded in one of the cloud function and during bulk processing,this base64 encoding is taking 15 seconds to convert a string into base64 encoded. server. Conversely, the atob() method decodes a string Sep 5, 2017 · I need to create base64 string that I need to send to a third party API. createObjectURL is to convert a Blob into a base64-encoded string. const buffer = Uint8Array. This solution works for me using the Google Cloud Storage API. 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. js can be used to encode and decode data in Base64 format. I assume l and g will give the same bits for the last entire byte, and the rest is discarded because there is not enough information. I am trying to convert the pdf into base64 and send as an attachment to the email but i am unable to convert into the base64 instead of creating a file i want to convert it into base64 so i can send as an attachment. I'd like the output of console. By default, toString () converts the buffer to a string using UTF8 encoding. Jul 5, 2020 · var processImageBuffer = new ArrayBuffer(image); // convert image to buffer array var blob = new Blob(image); // convert buffer array to promise array var processImageBuffer = blob. To generate a valid PEM you have to use base64 (without replacing characters). – fartwhif Commented Aug 23, 2021 at 22:36 Jun 19, 2017 · I am trying to parse blob object into base64 string in javascript. from(str, 'base64'). These methods atob () and btoa () are used to convert to string and base64 format respectively. If we want to convert back to a Uint8Array from a string, then we'd do this: Jun 19, 2024 · You signed in with another tab or window. from("SGVsbG8gV29ybGQ=", 'base64'). arrayBuffer());. This btoa () method simply encodes or creates the Base64 ASCII string from the given file or object. then(function(pemPrivateKey) {. That encoding represents binary data as a string of ultra-safe “readable” characters with ASCII-codes from 0 to 64. buffer). from (), the toString () function gives you the original Nov 27, 2020 · Left zero-padded string in C++ Implementation of Euler-Maruyama numerical solver Problems recording music from Yamaha keyboard to PC Mar 15, 2022 · 2. jsなのかブラウザ環境なのかが重要です。. However, you don't need to get a blob from node-fetch. You switched accounts on another tab or window. JavaScript's charCodeAt() returns a 16-bit code unit (aka a 2-byte integer between 0 and 65535). addEventListener("loadend", function { // reader. Are you concerned about the entire JSON returned or the data property? Since the returned object is in JSON format, you can stringify and convert to base64 encoded. The btoa() method of the Window interface creates a Base64 -encoded ASCII string from a binary string (i. It presumes well formed base64 string with no carriage returns. It is an array of bytes, often referred to in other languages as a "byte array". from('your string value', 'utf8') The second argument to Buffer. Mar 29, 2016 · I tried to use return reader. js Nov 4, 2016 · im working on a javascript/nodejs application that needs to talk with a C++ tcp/udp socket. stringify(bufferOne); 5 days ago · The ArrayBuffer object is used to represent a generic raw binary data buffer. js you can typically use the static Buffer. In Node. subtle. Internally Buffer is an immutable array of integers that is also capable of performing many different encodings Sep 13, 2016 · Here is my vanilla JavaScript solution that does not use atob and Buffer. save with the ref put method. var binary_string = window. toString first to make it work. Sep 8, 2018 · I have imagedata in base64 format returned from Expo ImagePicker component, and I want to convert it to An Uint8ClampedArray of RGBA pixel values in the form [r0, g0, b0, a0, r1, g1, b1, a1, ], cause it's the only input accepted by jsQR library Dec 17, 2019 · Joel, conversion from byte array to a string, the procedure String. You are trying to encode to base64 an Uint8Array value, not actually a buffer, you have to create a buffer out of it by using this: var encryptedBytes = Buffer. Iterate through each character in the binary string and set the corresponding value in the view by using `charCodeAt()` to get the character code. result)) because i want to capture the base64 as a variable (and then send it to Google Apps Script). ks ue qt qi qm vc ez ur ne ak