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