Convert blob to base64 in java example. " May 19, 2018 · Blob imageBlob; while (rs.

image. I need to convert the CLOB field back to an image. println(id); String img64str = "null"; Blob image = null; Connection conn = MySQLConnection. I cannot see the reconverted image. stringify(obj, null, 2)], { type : 'application/json' }); Another way is use fetch if your content is in base64 encode data const base64str Jan 8, 2024 · In this quick tutorial, we’re going to cover how to encode image file to a Base64 String, then decode it to retrieve the original image using Apache Common IO and Java 8 native Base64 features. ENCODE. revokeObjectURL(link. Ensure that value of substring_length is a whole multiple of 4 for BASE64_DECODE, resp. In this article, we would like to show how using JavaScript , convert blob or file objects to Base64. This example uses plain text, but you can imagine the data being a binary file instead. In the article, we present two solutions. Base64. answered Jan 15, 2020 at 14:25. 5. To create a blob that contains a subset of another blob's data, use the slice() method. setBytes. xlsx it does not work the files are corrupted. Base64 with Java 8. This function converts a Blob into a File and it works great for me. Note: This query will only work if the photos are less than or equal to 7275 bytes. Android examples for File Input Output:Byte Array Convert. StringBuffer. Update (2016-12-16) You can now use java. Examples: Nov 10, 2016 · Firstly I converted a BLOB of an image to CLOB, and then converted that CLOB back to BLOB. Use this function to convert a BLOB datatype into a CLOB that is base64 encoded. 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. function blobToFile (theBlob, fileName) { //A Blob () is almost a File () - it's just missing the two properties below which we will add theBlob. gvesb. from(await blob. This process will increase the size by 33%. io. atob The BLOB to convert into base64 encoded CLOB. Base64; Then use the Base64 static methods as follows: Jun 13, 2023 · In this blog, we will learn how to handle a common scenario encountered by software engineers: converting a Base64 string to a BLOB in JavaScript. Use readAsDataURL to convert the recovered Blob Object to base64 url. I have tried this code but it gave me wrong encoded string. Blob – Punter Vicky Commented Aug 12, 2016 at 13:40 Jul 28, 2018 · A byte[] and a BLOB are just two different ways of talking about an arbitrary set of binary data. I've been googling around but I haven't found any solution to my problem: how do I create an image file and save it on the disk from this BLOB? Jun 20, 2019 · The frontend of the application having a file download option (which can be in the following format: xlsx, csv, dat). Apr 19, 2024 · Assertions. To convert a string to Blob const str = 'hello world'; const blob = new Blob([str], { type : 'plain/text' }); To convert a JSON to Blob const obj = { hello: 'world' }; const blob = new Blob([JSON. js. String class as shown in the code below. Feb 13, 2018 · This gives the base64 encoding string, so that you can store this as String in Hive/hdfs, which fed to Sqoop as string. The APIs accepting Blob objects are also listed in the File documentation. 1. public static byte[] convertFileContentToBlob(String filePath) throws IOException {. To obtain a Blob object for a file on the user's file system, see the File documentation. URL || window. Oct 17, 2011 · Here you basically have two options: Work with a byte-array: Get hold of a byte[] containing the data through Blob. After that, I want to convert BufferedImage to MultipartFile and save it on the local storage. Sure, I can provide you with a descriptive answer and code examples for converting a Base64 URL to a Blob in JavaScript. Encode 1 binary data into a textual representation. Let's break down the steps and provide code examples. const byteCharacters = atob(b64Data); Each character's code point (charCode) will be the value of the byte. For csid, specify the character set ID of the BFILE or BLOB data. answered Jul 26, 2021 at 7:20. The examples provided in this article should give you a good starting point for implementing blob 44. Example: To demonstrate converting blob to base 64 encoding using JavaScript fileReader with readAsArrayBuffer() method. js using the Buffer object. awt Jan 31, 2024 · In Java, the java. Destination character set. type will give its content type. sql. After fetching a resource as an ArrayBuffer, create a blob from it. Each of these 3 Bytes are mapped to 64 different characters (a-z, A-Z, 0-9, "+", "/" - thus you get name BASE64). At that time, the result attribute contains the data as a data: URL representing the file's data as a base64 encoded -I had Google for Blob URL but I hvnt find a solution OR Any hint so I have to post Question HERE. DatatypeConverter. Now convert request body to byte[] which needs to be save in blob. For that, I use fileSaver. TO_BASE64 is a way to show an arbitrary blob using visible characters. In this post, we will be converting an image to base64 string so that it can be save to a database, more accurately in a blob type column. I've used below code for converting String to Blob: Encode "blob" to Base64 format. charCodeAt method for each character in the string. BASE64_ENCODE function works on RAWs, it will work with BLOBs up to 32767 bytes in PL/SQL or 4000 bytes in SQL. btoa() or FileReader. We also saw code samples for converting a PDF into and from Base64 using Java 8 and Apache Commons Codec. To encode binaries (like images, documents, etc. Jan 30, 2015 · Converting Blob into PDF is not that much straight forward task. If the character set of the BFILE or BLOB data is the database character set, then you can specify a value of 0 for csid, or omit csid altogether. May 16, 2022 · In the previous example with the clickable HTML-link, we don’t call URL. Nov 19, 2022 · To convert a string to a blob, you use the new Blob interface: const blob = new Blob([string], {. For this we can use the DatatypeConverter class from the javax. While entering Dec 26, 2012 · Base64 is a coding in which arbitrary binary data is represented using only printable text characters: it was designed for situations where such binary data needs to be transferred across a protocol or medium that can handle only printable-text (e. In JavaScript, it is possible to convert objects to Data URLs with May 14, 2024 · The readAsDataURL () method of the FileReader interface is used to read the contents of the specified Blob or File. You'd want to get the blob as an inputstream and dump its contents to the outputstream. codec. Exampleimport java. Usage. encodeBase64String({my byte[]}); Then, I am trying to show my image on my page like this: You have to convert the base64 string back into the original binary data. In MySQL blob has a method: getBytes () This method Retrieves all or part of the BLOB value that this Blob object represents, as an array of bytes. This operation could be applied for any binary files or binary arrays. ) use the file upload form a little further down on this page. Here's an example: CREATE OR REPLACE FUNCTION base64_encode_blob (p BLOB) RETURN BLOB IS. Similar function for convert bytes to base64 without btoa is HERE Jan 2, 2023 · You might try to use a @JsonSerialize annotation on the Blob fields of your entity class to influence how the blobs are serialized. bind package: import javax. rowset. ) example : select unbase64(converted_blob_column) from hive_table; Dec 16, 2022 · Converting blobs to Base64 is a common task in web development when dealing with binary data. Aug 8, 2012 · var blob = items[i]. The SqlBlobSerializer class seems to be doing the conversion to base64 you are looking for. pdf. Aug 11, 2016 · I got the below exception when I tried to cast with a Blob - Caused by: java. Then you can do with this string whatever you want even insert it into another table May 9, 2024 · I have a problem. Syntax: String Base64format= Base64. Jun 4, 2009 · NOTE: TO_BASE64 has a different purpose than the original post's question (OP). readAsDataURL(). LF (Unix) CRLF (Windows) Destination newline separator. This is often used when sending a binary as an input to a Web service. First, import it as you normally do: import java. Examples The following hypothetical example returns the BLOB of a RAW column value: Convert byte array to Base64 string - Android File Input Output. Apr 2, 2018 · I had to go with a SQL only solution because we are missing java libraries in our code base. It is possible convert a blob: URL into a data: URL, at least in Chrome. java Jul 30, 2019 · How to convert BLOB to Byte Array in java - You can contents of a blob into a byte array using the getBytes() method. getBytes. getAsFile(); // and use a URL or webkitURL (whichever is available to the browser) // to create a temporary URL to the object. Here we will create a gfg. serial package. createObjectURL(blob); createImage(source); The method works and I can show the image if I use my "source" as the src of a image object. getDecoder(). readAsDataURL allows us to get the File or Blob’s data URI scheme which would contain our base64 string. Result. I had used itext. Allowed image types: JPG, JPEG, PNG, GIF, BMP, TIFF, SVG - Max size: 10Mb. Table 52-3 BLOB2CLOBBASE64 Parameters. The common method to store images in a database is to convert the image to base64 data before storing the data. js can be used to convert a string to a series of bytes. First, fire this query: Select `cast(blob_field_name as varchar) blob_field_name from table`. That’s it, we now have a utility function that converts blob to base64. GetLength( myblob ) length_in_bytes FROM table will return the length of the BLOB in bytes. 1. In a database BLOB stands for Binary Large Object and is the same thing. -I have WebView at the android side to Load A website. Let us see the example you will understand clearly. BASE64Encoder. Oct 9, 2012 · 5. Base64 for Base-64 encoding and decoding Aug 23, 2021 · Fig 1. Sep 6, 2015 · You can do it by first getting the byte [] from String using: byte [] byteData = yourString. Set it back using Blob. read file name from query string and file content from request body. Java Convert Image to Base64 String and Base64 to Image. var URLObj = window. binary. OP "knows" they have text stored into a blob field, and wants to see that text as text. Jun 3, 2024 · Window: btoa () method. prefs. apache. dat/. 223. How to convert image to Base64 online. from() method that accepts the string to be converted and the current encoding of the string. However this is very memmory costy check, because it requires to create blob and to transform that blob to a clob. Here is the code I find in this answer : var blob = new Blob(["Hello, world!"], { type: 'text/plain' }); var blobUrl = URL. 3. createObjectURL(blob); May 6, 2009 · Use this SQL to get the first 2000 chars of the BLOB. Encode each line separately (useful for when you have multiple 52. 8 BLOB2CLOBBASE64 Function. Press the “Encode image to Base64” button. kernel. substr(<YOUR_BLOB_FIELD>,2000,1)) FROM <YOUR_TABLE>; Note: This is because, Oracle will not be able to handle the conversion of BLOB that is more than length 2000. If your images are larger, you'll have to write your own function. The string must be valid in this encoding. Just a collection of binary data. Since the UTL_ENCODE. Of course, we can use new Image () to draw a canvas and using the toDataURL () method to get the Base64 string. Jul 13, 2024 · To construct a Blob from other non-blob objects and data, use the Blob() constructor. Nov 9, 2021 · According to RFC 2397, the URL part of the BASE64 String that is in your case data:image/jpeg;base64. And the info from blob. (For that purpose, the conversion to utf16 is appropriate - if the text was originally in utf16). The following example gets a file that was uploaded from the apex_application_files Occasionally you will find the need to encode binary data as a base64 -encoded string. So 'misery' should be something like: Blob blob = rs. Can anyone help please? Thank you Feb 2, 2013 · 1. SELECT DBMS_LOB. out. sql Blob getBinaryStream. ClassCastException: [B cannot be cast to java. Encode form file to Base64 in JavaScript. The BLOB to convert into base64 encoded CLOB. webkitURL; var source = URLObj. Vanilla JavaScript. We can create an array of byte values by applying this using the . image is stored in database in binary format so once it comes to server using decode function to get it back to image. It increases the data size (by at least 33%, depending on the text encoding used Sep 17, 2021 · In order to convert CLOB/BASE64 string into BLOB and back, as well as plenty of more detailed examples online, try googling "java insert blob into database" Aug 23, 2018 · 0. Assuming your using the Standard Base64 Decoder then you would need to split your string inorder to decode it to an image, as shown in the code below: import java. bind. My code of reading the BLOB returns a String with unrecognized characters: public String getStringFromBLOB(String sql) { Dec 13, 2018 · In MySQL, the TO_BASE64() function converts a string to a base-64 encoded string and returns the result. We’ve successfully used the Spring-provided MockMultipartFile object to convert the byte array into a MultipartFile Object. After the revocation, as the mapping is removed, the URL doesn’t work any more. I need to write a webservice with jax-rs to deliver an image saved in the database. io streams). getInstance(); The atob function will decode a base64-encoded string into a new string with a character for each byte of the binary data. Here’s how. Syntax. If you have a Blob object called blob, blob. l_raw RAW(24573); l_base64 RAW(32767); l_result BLOB; Oct 24, 2012 · byte[] decoded = Base64. Arrays; // arbitrary binary data specified as a byte array. util. How can i solve this problem? blob_to_clob function: CREATE OR REPLACE Feb 15, 2024 · Blob to Base64 Blob to Image Blob to Array Buffer In this article, we will learn about the Blob object and see how it works in JavaScript source code. This skill proves valuable in various situations, particularly when there's a need to store images or files in a database. Once you have that, you could base64 encode the file/blob directly window. SMTP/email). Sep 27, 2010 · 1. createObjectURL is to convert a Blob into a base64-encoded string. assertEquals(inputArray. getBinaryStream(); OutputStream out = new FileOutputStream(someFile); byte[] buff = new byte[4096]; // how much of the blob to read/write at a time. Using an example, we will see how a Blob holds the file data in JavaScript. Work with InputStream / OutputStream: Get hold a an InputStream through Blob. SELECT utl_raw. Now we will use a file reader and use the onload event in the file reader then we will get the image URL and we need to Purpose. length,mockMultipartFile. getBlob("face"); } after that my imageBlob is something like this: data:image/png;base64,iVBORw0KGgoAAAANSUhE. Aug 29, 2016 · So what you need to do is: Recover the Blob Object that is used to create the Blob URL. DatatypeConverter; import java. If you need to get Base64 string from Image please visit another free web tool Online Image Encoder. Convert the contents of StringBuffer to a byte[] using getBytes() method of java. or the java Base64 package (can be used in either native java Apps or Spark etc etc. xml. lastModifiedDate = new Date (); theBlob. Base64 or if you are using JAVA 8 java. See full list on baeldung. The original encoding is specified by src_encoding parameter. From source file:it. Apr 16, 2024 · Base64 encoding and decoding can be done in Node. com Convert BLOB to Byte Array in Java With an Easy Example. In JavaScript, we use Blob to hold the data as an object stored in a file. next()) { imageBlob= rs. decode(encoded); String decodedStr = new String(decoded, StandardCharsets. From within a PL/SQL package, you can use TO_BLOB (raw) to convert RAW and BLOB values to BLOB. csv but for the . Nov 15, 2013 · This isn't my preferred solution, but it's a stop-gap implementation until I can find a better solution. It Sep 30, 2020 · Bonus: Converting a blob to a base64 string What about reversing the conversion, from a blob to a base64 string? Unfortunately, this is a bit more complicated (though if you know of a better approach, let me know in the comments!). a whole multiple of 3 for BASE64_ENCODE. Jun 24, 2024 · Using 'FileReader' with 'readAsArrayBuffer()' allows converting data from a Blob into an ArrayBuffer, facilitating efficient manipulation and transformation of binary data in JavaScript applications. p_newlines: Whether the generated base64 content contains line breaks. 6 BLOB2CLOBBASE64 Function. Everything works fine for the format . arrayBuffer());. In this section, the presented solution returns base64 data for an indicated blob or file object. It would not be that difficult to write the inverse. 5 BLOB2CLOBBASE64 Function. getBinaryStream()) { newreader = new com. Base64 includes several more methods for configuring encoders and decoders, and for using different classes as inputs and outputs (byte arrays, strings, ByteBuffers, java. lang. First, you need to fetch the Base64 data from the Online Image Decoder. decode('base64') this will convert your blob to image. Base64 encode your data without hassles or decode it into a human-readable format. getBinaryStream. I want to convert BufferedImage to MultipartFile. commons. length()); String s = new String(bdata); It is working fine but when I'm going to convert String to Blob and trying to insert into database then nothing inserting into database. BASE64Decoder; Jun 28, 2024 · The send method of the XMLHttpRequest has been extended to enable easy transmission of binary data by accepting an ArrayBuffer, Blob, or File object. 9. getBytes("UTF-8"); Jul 23, 2021 · The simplest way is to use the Blob constructor. }); See this section of the document you linked to. greenvulcano. utils. getBytes()); Example to convert a String to base64 encoded String: Aug 25, 2017 · If you are receiving a blob it should be a byte[] so in order to convert it to a Base64 encoded String you could use org. Data URL with Base64 example. Example The following example gets a file that was uploaded from the apex_application_files view and converts the BLOB into a CLOB that is base64 -encoded. 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. getBlob("Database_Field"); int myblobLength = (int) myblob. Apr 29, 2013 · 5. Prototype java. The btoa() method of the Window interface creates a Base64 -encoded ASCII string from a binary string (i. SELECT `id`,`name`, TO_BASE64(content) FROM `db`. Base64 and an undocumented class sun. If some employee's have photos bigger than this, the resize employee photo script in People Soft will need to be ran before this query runs. Encoder. From reading in the comments here, it states: "Sure. The encode () and decode () methods are used. As always, source code is available over on GitHub. The encoded string will contain only “A-Za-z0-9+/” these characters set and considers the new line character as line breaker in decoding. For transport, it has to be encoded using Base64. Jan 8, 2019 · For NodeJS (with node-fetch), you can get a buffer from blob using Buffer. convertblobtoclob check for warning != 0 and if so reduce offset by 1 and go to next iteration, without writing substring to your blob. PdfReader newreader = null; try (InputStream targetStream = blobPdf. byte[] binaryData = "some arbitrary data". HOME; Android; File Input Output Jun 19, 2014 · In Oracle 11g I have a table that has a CLOB column containing image data for each row. getBytes()); Assertions. So you could deconstruct and reconstruct it as follows: 37. This function converts a BLOB datatype into a CLOB that is base64 -encoded. For example, to get a data url, using blob: Dec 18, 2023 · Approach. log(blob); //the [] above is necessary, otherwise it produces a wrong Blob with a wrong size (2182) // for the above string, the correct Blob has a size of 868. string requestBody = await new StreamReader(req 2. , a string in which each character in the string is treated as a byte of binary data). This class has also very limited information in the public domain. html file. However, you don't need to get a blob from node-fetch. Step 1: Fetching the Base64 Data. Later, use the output of the above query to execute this query: Select x'output' from table. Here, the output generated from the first query will be a sequence of numbers separated by space. In Java a byte[] is a collection of binary data. Java 8 Base 64 Simple Encoding and Decoding. Image; import java. This is a simple encoding technique in the Base64. If necessary, select the desired output format. 2. ResultSetUtils. getSize()); } Copy. Nov 10, 2023 · Method 1 : Reading File into a String. . URL. I searched a bit through google but I could not find a working example. Read the file line by line using a java. getBlob(column); InputStream in = blob. jar to achieve same, here is my code: public static void blobToPDF(String[] args) throws IOException { Blob blobPdf = . The upcoming sections of this blog post will delve into the process of creating a BLOB from a Base64 string using JavaScript. Base64 Support since Java 8. ByteArrayInputStream; import sun. Simply enter your data then push the encode button. Nov 25, 2016 · All you need to do is try to convert substring to clob with dbms_lob. First, on my UI I send a base64 String to the server, and on my server, I convert it to BufferedImage. Supported formats are: base64, hex, escape. e. Manipulate this stream as you see fit. on the other hand to convert back to BLOB you can use hive unbase64 (). Oct 2, 2021 · Unlock the power of data and AI by diving into Python, ChatGPT, SQL, Power BI, and beyond. Now we will put onchange on the input type and this will execute a function imageUploaded () when you upload an image. g. I encountered this real-world example recently while building a feature for the Ionifits demo app. Download or copy the result from the “Base64” field. sql package and SerialBlob is from javax. Paste the URL or select an image from your computer. The process involves fetching the Base64 data, decoding it, and creating a Blob object. p_padding: Whether to pad the generated base64 content with "=" so that the length becomes a multiple of 4. Jan 2, 2023 · FileReader is commonly used to asynchronously read contents of a file, can be either an instance of File or Blob. Nov 18, 2022 · console. answered Apr 29, 2013 at 14:00. When the read operation is finished, the readyState property becomes DONE, and the loadend event is triggered. The syntax goes like this: TO_BASE64(str) Where str is the string that you want encoded. type: 'image/jpeg' // or whatever your Content-Type is. Blob in JavaScript. So they are the same thing with different names depending on the frame of reference. printBase64Binary(arr); You can simply add this code to the end of your method and change its return type to a String. Whether you are working with JavaScript on the client-side or a server-side language, there are various methods available to accomplish this conversion. PdfReader(targetStream); System Jan 30, 2021 · I tried inserting the blob data directly to SQL Server as Image and varbinary data type and converted them to base64, however, both methods failed to display the image on the web. corner case: if input base64 string ends with one/two = char, remove one/two numbers from output array; Below solution allows to process large input base64 strings. BufferedReader and add it to a java. An alternative to URL. I'm trying to convert the byte [] to Base64 using the Apache Commons Codec in the following way: String base64String = Base64. Sep 8, 2020 · 4. CONVERT STRING TO IMAGE. The following example creates a text file on-the-fly and uses the POST method to send the "file" to the server. Mar 19, 2015 · UPDATE - I found my code, at least the version that uses a Java Stored Procedure to do the opposite (converting a base64 encoded CLOB to its binary BLOB version). Blob myblob= my_result_set. getEncoder(). name = fileName; return theBlob; } Basically, what I am trying to do here is retrieve an image, and convert it to base64. In the result field you will see your image, MIME type, and actual size. let myUrl = window. At their On Button to "SAVE-AS" to download an image . Apr 8, 2016 · It may be a duplicate but i am facing some problem to convert the image into Base64 for sending it for Http Post. awt. js file which will include JavaScript code and one gfg. Interestingly, the JDK implementation is much faster than the Apache one. HTML Apr 19, 2024 · For many years, Java has provided support for base-64 via a non-public class (therefore non-usable) java. Alternatively it is possible to directly store the image as a BLOB; for example: Dec 18, 2013 · I'm reading an Oracle BLOB from DB and want to convert it to a readable String. encodeToString("String". This encoding can be sp 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. This is my Controller method: Use CONVERT_FROM 1 to convert string to the database encoding. blob. p_blob: The BLOB to convert into base64-encoded CLOB. This can be done using the Buffer. Base64 class provides static methods to encode and decode between binary and base64 formats. It sounds like the character data in your BLOB is probably encoded using the UTF-16 character set so the number of bytes is probably twice the number of characters (depending on the version of Unicode that is being used and the specific data being stored, some characters might require 4 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. `upload` this will convert the blob value from content column to base64 string. UTF_8); The documentation for java. getBlob(cloumnName[i]); byte[] bdata = blob. href), because that would make the Blob url invalid. Feb 26, 2019 · For more info, check the following examples: Image to Base64; Base64 to PDF; Develop a Base64 converter; Blob to Base64; Form file to Base64; Remote file to Base64; Base64 Polyfill; Implementing Unicode support Jun 23, 2021 · Sometimes you need to do this in the browser. If you wanted an ordinary URL, you would have to send the data from the browser to a server and have the server make it available like an ordinary file. getBytes (); and after that doing the next line of code: Blob docInBlob = new SerialBlob (byteData); Blob is from java. You can just get a buffer directly from the response. Base64 encoding schemes are commonly used when there is a need to encode binary data, especially when Jan 8, 2024 · In this quick tutorial, we learned more about Java’s Base64 utility. You can use this method to encode data which may otherwise cause communication problems, transmit it, then use the Window. I have a problem reading a blob from a MySQL database with Java. InputStream getBinaryStream() throws SQLException; Source Link Document Retrieves the BLOB value designated by this Blob instance as a stream. 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. length(); . Jul 1, 2013 · Blob blob = rs. cast_to_varchar2(dbms_lob. TO_CLOB (bfile|blob) converts BFILE or BLOB data to the database character set and returns the data as a CLOB value. assertArrayEquals(inputArray, mockMultipartFile. Java 8 has added java. In this case, you could call an external flow from DataWeave and delegate the encoding there, using the lookup function. misc. getBytes(1, (int) blob. In this page you can find the example usage for java. Manipulate this byte-array. Choose the source of image from the “Datatype” field. createObjectURL(blob) //the part below is just so that you can copy the code to the console and see that it results in a valid PNG file. Feb 19, 2013 · Therefore it does not make sense, in general, to convert a Blob URL to a "normal" URL. ; com. I tried exporting the image file from Mysql db and try to view it, but the format looks invalid. Encoding the original string to base64: The Buffer class in Node. The BLOB is text encoded to binary and I'm pretty sure that it was encoded with Base64. itextpdf. Blob to base64. " May 19, 2018 · Blob imageBlob; while (rs. BASE64 encoding takes 3 Bytes of input stream and converts it to 4 * 3 Bytes. This is my code: System. You can use the JAXB DatatypeConverter class to easily convert your data to base64 without any external dependencies: byte[] arr = YOUR_BINARY_ARRAY; String result = javax. type can be obtained from the response header. aq eu it fg mk me wo uv py kr