Sql server convert image to base64

Sql server convert image to base64. for this I tryied to use. i. ToBase64 & Convert. Aug 26, 2022 · Step 1 – Decode and Convert the Base64-encoded Text into Binary Type. One such application is the Online Image To Base64 Converter. e. Return types. 2) Ensure your code for converting image to BASE64 string, then back to image from string works (without the DB in the middle) answered Oct 18, 2016 at 11:43. Jun 13, 2013 · I'm trying to put a base64 String in the SqlServer on Image type or VarBinary (MAX) on Sqlserver's Image type. base64_encode(dbms_lob. Base64 to convert byte[] to Base64 encoded String. Syntax BASE64_DECODE(expression) Arguments expression. Cato. Actually, your string is a flat db record stored as a hex data type. ToArray(); // Convert byte[] to Base64 String string base64String = Convert. 09-16-2022 02:43 PM. ReadAllBytes(@"image file path"); string base64ImageRepresentation = Convert. So for your above code you would use this to get your image as Step 5: Use SQL Server Integration Services to map the columns. Aug 14, 2017 · imageStream. html file. 2) Once you get the Base64 code, prefix it by data:image/jpeg Apr 10, 2019 · Convert Base64 to image online using a free decoding tool which allows you to decode Base64 as image and preview it directly in the browser. dbo. Conversion to base64 is very cheap. ". value('. ToBase64String(guid. 5. This allows you to save images to your DB and get them back again. BASE64 is a trade which makes the data ~33% bigger but it won't break systems that can only deal with simple text. Get the byte array ( byte[]) representation of the image, then use Convert. ToBase64String(), st. Jun 18, 2011 · Back then, you'd store the image as a binary blob, because that required 33% less storage space. I think that sql:parameter is not working with input function parameter, but don't know how to avoid it. Jun 11, 2020 · You need to modify your storage procedure to add value to the varchar (MAX) type column in your SQL Table. It does not seem that SQL Server CAST() and CONVERT() can convert Base64-encoded text into images. An expression of type varchar (n | max). ToBase64String(bytes)); Dapper will handle opening and closing the connection, so we don't even have Feb 22, 2011 · 11. When this is pulled out it does not come out as clean text. Dec 7, 2016 · Convert Image to Base64 format(Which contains alphanumeric string) , which in turn is easy to store in database. Save method. SELECT * FROM [ImageDB]. Step 3 – Add a Data Flow Task in Integration Services. You can use this ALTER statement to convert existing column IMAGE to VARBINARY(MAX). Then you'd convert it on the fly when a client requests a base64 encoded string. Since the binary is different the image doesn't show. [Catalog] WHERE [Path] = N'/Jacket Generator Aug 19, 2016 · insertSql); System. From: Oct 25, 2018 · I'm attempting to unhash a column of base64 values into decoded strings with Standard SQL in BigQuery and not having any luck so far. See the following question for tips on how to do that: Converting Jul 11, 2013 · char and varchar:. net (Convert. The common method to store images in a database is to convert the image to base64 data before storing the data. decode('base64') this will convert your blob to image. Mar 24, 2022 · Image is a Canvas element. This is my code: ALTER FUNCTION [dbo]. May 21, 2016 at 14:09 How can I convert an image into Base64 string using JavaScript? Apr 2, 2018 · I'm trying to encode my blob data to base64 so I can pass an image to XML BI Publisher. Step 5 – Map the Columns in SQL Server Integration Services. ) and Save to File Jul 10, 2023 · In this blog post, we will discuss how to use Base64 encoding and decoding in SQLServer. I want my image component to display the images, but I think I’m having an issue converting from the varbinary data to base64. 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. Base64 encoding is a way to convert binary data into an ASCII text format, which is more convenient for storage and transmission. Length); exportStream. Open(); return cmd. Feb 6, 2013 · You'll have to figure out how the data was encoded to produce the varchar string. aspx). The best way would be writing the image and then saving its location in the database. I'm trying to write a SQL statement that will convert an image in a base64 string format back to an image and save to the file system. image is stored in database in binary format so once it comes to server using decode function to get it back to image. Rows[0]["image"]) Now, since you're the one storing the image, you should know how it is encoded and should be able to do the reverse process to get Nov 4, 2021 · The contentBytes is indeed the base64 for your image. aspx Feb 10, 2017 · 1. The base64 format is useful for transmitting data in a text-based format and for directly embedding images into web Dec 7, 2011 · So in this case I would write a small program in your preferred programming language to pull the data from the table and write the files to whatever location you want. Jun 24, 2011 · Is there a Microsoft T-SQL statement that will allow you to convert a binary data type (like image) to/from a string representation like Base64. Let see how to convert an Image to Base64 string and Base64 String to Image. But converting image datatype to varchar throws an exception: "FOR XML could not serialize the data for node 'TD' because it contains a character (0x0002) which is not allowed in XML. Mar 7, 2019 · SELECT CAST(N'' AS xml). readAsStringAs Aug 3, 2017 · I'm have a SQL Server database with images of type varbinary. For example, if it were base64, you would use Convert. Refer Here. I found this and it was very helpful, but I need it in reverse. 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 Possible duplicate of Base64 encoding in SQL Server 2005 T-SQL – James Z. toString() can also take other encodings, you can read more about the other supported encodings in the docs. It is encoded as a safe string just with alphanumeric chars. Andreas. It increases the data size (by at least 33%, depending on the text encoding used Image data, bytes, can go directly into varbinary() there's no need to convert it to anything. All the images in this column start with 0xFF. It depends largely upon how you will use these images you will probably load. – Kjetil Klaussen. This example decodes a base64 data into an image file. Then, remember ( base64 encoding makes file sizes roughly 33% larger than their original binary representations ). value('xs:base64Binary(sql:column("r. answered May 18, 2021 at 15:17. So basically, you can store Images in databa Jul 21, 2015 · 5. You can use java. Concert Image to Base64 . 3) save image as base64 string. image. You also shouldn't need to base64 encode it, just supply a byte array to the CreateParameter method with the Type set to adBinary . Varbinary(8000). Step 4 – Setup the Data Source in SSIS. g. after concerting Base64String Jan 5, 2018 · I’m using a SQL Server to store the image file and path, how do I convert them into Base64 on the SQL Server directly? Also, when I connect the PowerBI to an OLAP (cube multidimensional), it doesn’t allows us to change the type of the column or create DAX measure. Position = 0; var imageBytes = imageStream. microsoft. I tried with bitmap. like this: byte[] imageArray = System. FromBase64String: byte[] image = Convert. File. I won't be a surprise for me if it is not possible to write a file with SQL. It makes use of an XSL transform using built-in XML functionality (since SQL Server 2005) We would like to show you a description here but the site won’t allow us. Base64 (Attachment) from SF to Image in SQL Server. I initially tried this: select UTL_ENCODE. May 18, 2021 · The image data type corresponds to the byte[] type in Java. Image: Feb 1, 2017 · First, the generator link you provided outputs the base64 representation in not exactly correct format. This process will increase the size by 33%. Mar 14, 2019 · I have the following SQL: CREATE TABLE Documents ( Id INT NOT NULL, UserId INT NOT NULL, Label CHARACTER VARYING(220) NOT NULL, Image BYTEA NOT NULL, PRIMARY Key(Id), FOREIGN KEY (UserId) REFERENCES Users(Id) ); I want to know, How should I have to insert the Base64 image into the table. I would like to know it is encoded. May 30, 2020 · Well, my backend already does conversion from Base64 into a byte array. console. to use the type System. ImageFormat format) { using (MemoryStream ms = new MemoryStream()) { // Convert Image to byte[] image. Apr 3, 2020 · Here we can see our sample images use image type PNG since the Base64 content starts with “iVBO”. 4) using BLOB (i haven't researched how it works) Select CAST(N'' AS XML). byte[] b = Convert. Buffer. FromBase64String(base64); (same input). How do I structure a query that: Loops over all lines; Calls FROM_BASE64 for each line Sep 17, 2015 · To answer your question, I think it's not good practice. [usf_base64_encode] (@value nvarchar(max)) RETURNS nvarchar(max) AS. Apr 4, 2016 at 14:08. Since you’re receiving a Buffer back as output, Buffer. Jan 2, 2018 · This is where you can use my workaround to embed the images within the report by converting the images into Base64. you could save your base64 string as varchar (MAX) - what I would do with your code if this does not help is. BEGIN. Base64 is commonly used in a number of applications, including email via MIME, and storing complex data in XML. I have to convert it to a hexadecimal format and copy the value into another table. Jun 20, 2013 · 4. I found the perfect solution for my situation in SQL Server : hex to base64. What you need to do is convert the string to byte[] array, and then you can convert the byte[] array into a string. 2) Once you get the Base64 code, prefix it by data:image/jpeg Jun 11, 2012 · I know I could solve this problem by wrapping the image around a canvas using html5 then converting that to base64string. public string ImageToBase64(Image image, System. Within your canvas app, you need to convert the PenInput image into a encoded base64 string value using the following formula: then pass the converted string value back to your flow. Select(bytes=>Convert. Tip 1: the image was probably stored this way in a SQL Server Nov 7, 2022 · Save (and load) your image info as byte[] and let the control know that you will use an image from Base64 as data:Image/png;base64. The T-SQL below uses XQuery to decode and convert the Base64-encoded text into binary type. I can convert the varbinary data to base 64, but the image component does not display. Code Snippet Default. its easy enough in . – Angel Cloudwalker What Is an Image to Base64 Converter? This tool converts any image to the base64 format. IO. Oct 18, 2016 · 1. out. Output : INSERT INTO test (image) VALUES ([B@7229724f) java. 1, here. ','varbinary(max)') or SELECT CAST( @myBase64Param as XML ). Apr 29, 2013 · 5. ToByteArray()); I have tried several examples I came ac Jan 13, 2016 · This works from SQL Server Management Studio, when the current database is the ReportServer database. value('xs:base64Binary(sql:column("img"))', 'varchar(max)') FROM imageTemp WHERE See full list on learn. I am getting below exception. Feb 7, 2012 · How can I re-create the following c# code with a uniqueidentifier datatype in sql server 2005. Apr 12, 2021 · Hello, I have a table in SQL Server which has Image binary data in the below format - 0x1F8C0200B28C010064 0x1F8C0200DE720100CC 0x1F8C0200DE720100CC 0x1F8C0200B28C010064 0x1F8C0200B28C010064 0x1F8C0200B28C010064 This is just part of the hex string. answered Apr 29, 2013 at 14:00. to view it you could enter it as a data URI for an image as data URI with the format data: [contentType]/ [format];base64, {contentBytes} so for your png image: Solved: I have a Power Automate action that requires an image in base64. (I am assuming the src attribute is for html images). ToBase64String(imageBytes); After converting the original base64Image to image and again to base64, it loses quality. SQLException I'm looking for a way for retrieving Entity Data Model ( EDM) from __MigrationHistory table using only T-SQL (so anyone, using Microsoft SQL Server Management Studio only, could do the same). I know vba is capable of reading a string from the database to output the image on screen as I currently achieve this result by reading the First, you can use BLOB type in SQL, that's better than BASE64 encoding a string. Just a heads-up: if you are storing your images as base64 in database, it will grow a lot really fast , and there will be network overhead when retrieving multiple images from database and when sending them to the Dec 7, 2019 · 2. const base64 = await FileSystem. That still makes sense today-- store it as a binary, transmit it like whatever the client requests. Obviously, utf8 (variable byte size) is not the same as utf16 (fixed 2 bytes), and the base64 encodings of utf8 and utf16 will be different. Great help! – amphetamachine. Sep 16, 2022 · Convert/Cast SQL Server image datatype to text. log(base64); </script>. Save(ms, format); byte[] imageBytes = ms. How can I save these images out to actual files inside folders that Oct 1, 2020 · I believe what you are getting in responseText is a base64 encoded, and you need to decode it, or convert it from base64 to varbinary. I have read some practices for saving images : 1) upload and save image to server, save the path inside the table. from openjson(. . Dec 5, 2013 · Your Db can grow very huge pretty soon - thereby unnecessarily increasing your backup/restore times; The best would be to store the images on the file system and simply store the file location in a DB table. Follow the steps below:-. Aug 19, 2022 · To select a bare Base64 value in SQL Server, without any XML node around it, you just need an unnamed column in FOR XML SELECT CAST(fancyImage AS varbinary(max)) FROM #demo FOR XML PATH(''), BINARY BASE64; Feb 28, 2023 · Learn how to use the BINARY BASE64 option in an SQL query to return binary data in the base64 encoding format. [dbo]. I have a requirement to pass JPEG file (Attachment Object) from SalesForce to SQL Server table column field of type IMAGE, can someone point me in right direction I am looking for code if someone did already, i am kinda new to Mulesoft. then I retrieved an image in base64 like this: SELECT cast('' as xml). Position = 0; return Ok (exportStream); I see the image in the design pan, but when I run it it shows red x. I've imported data from a csv where one field contained html data encoded in base64. Our SQL Server database has an "image" datatype used to store binary data, text up to about 30k characters. Dec 28, 2014 · Manually in SSMS, I can take just the base64 string and insert into a row like this: Cast(@base64ImgStr as varbinary(max)) But the result is different when I try to insert from C#: Convert. Dec 28, 2018 · ntext, text, and image data types will be removed in a future version of SQL Server. Your application encodes unicode chars in utf8 and sql server encodes unicode chars in ucs2/utf16. That will probably be easier and more reliable than a stored procedure and you can still run it from MSSQL in a scheduled job or whatever. I am attempting to pull data from our on-premise SQL Server database and display it as HTML in an email. de however when I tried to execute in sql the email I get had an image error(box with red X). 2) save image as binary. FromBase64) but is this possible using SQL alone, something like (obviously pseudocode) SELECT CastAsBase64(binary_field) As Base64BinaryField. Something like Sep 8, 2016 · I am posting a Base64 string via Ajax to my Web Api controller. Code below Code for converting string to Image public static Image Base64ToImage(string base64String) { // Convert base 64 stri Aug 28, 2016 · 1. I need a method in C# that provides the same binary as the one Dec 18, 2023 · Approach. The base64 string is stored in a VARCHAR(MAX) column. Please let me know what type of datatype and how to insert image as base64 in sql server. Base64 takes binary input and encodes it to an ascii character string. js file which will include JavaScript code and one gfg. I used this website but you can use any. When encoding, xs:base64Binary(sql:column("bin")) (without the xs:hexBinary call) works as well. BASE64_DECODE converts a base64 encoded varchar into the corresponding varbinary. substr(EPHOTO, 4000,1))) as string1 FROM EMPL_PHOTO WHERE emplid='1234'; But I get the error: ORA-06502: PL/SQL: numeric or value error: raw variable length too long ORA-06512: at line 1 May 31, 2021 · I'm trying to convert the image to base64 in expo react-native app by using the next code: import * as FileSystem from 'expo-file-system'; . The basic solution is the same as above, except for the solution using XML XQuery, which we will simply need to use different method. Now we will put onchange on the input type and this will execute a function imageUploaded () when you upload an image. And, of course, you will have a special link to download the image to your device. rdl file that was deployed to a report server on path /Jacket Generator -- the contents can be found as XML with this: SELECT CONVERT(XML, CONVERT(VARBINARY(MAX), Content)) AS rdl_file_content FROM ReportServer. byte[] imageArr = imageFile. The only chance I see to do this would be to create a SQL-CLR assembly in C# that has this functionality, and integrate that into Aug 19, 2016 · If the text is Base64 encoded, you can decode it in T-SQL and store it in a varbinary(max) column with SELECT CAST( '/9j/4AAQSkZJRgABAgAAAQAB' as XML ). If we have a <canvas> that we want to turn into a Base64 string we can use toDataURL on the Canvas element. Here we will create a gfg. The string below is an image stored in a SQL Server database table. ','varbinary(max)') as shown in this duplicate question,eg SELECT CAST( myBase64Column as XML ). util. The Feb 13, 2020 · The type of the base64 string column in the table is NVARCHAR(MAX) but I noticed when the file is saved, SQL truncates the string such that when you convert online using base64 to image decoder, it produces just part of the whole picture and I noticed that the base64 string before saving to SQL is about 72,000 in character count but after saving it SQL it is reduced to about 4,000 which is Feb 26, 2016 · I have a table containing base64-encoded jpegs as well as some other data. Oct 27, 2011 · Microsoft SQL Server articles, forums and blogs for database administrators (DBA) and developers. char [ ( n) ]. The Blob Server Module provides a simple way to deliver images, PDF files, or other binary content from a database to your Perspective clients or other web applications. . ','varbinary Feb 15, 2017 · 2. Oct 23, 2019 · I'm new to MySQL, coming from years of Microsoft SQL Server experience. Dec 20, 2022 · The value in this column is a picture, stored in hexadecimal-format. com A table in our SQL Server database stores images in Base64-encoded text format. Though theoretically optional, padding is mandatory in MS SQL Server (tested on 2012 and 2016 versions). ALTER Table tbl ALTER COLUMN DATA VARBINARY(MAX) After this conversion, you are surely, get your data backout. AddInParam("name", DbType. [Base64Images] Step 1 – Decode and Convert the Base64-encoded Text into Binary Type. I am converting this into image URL using b I've been trying to figure this out for two days now and would really appreciate some help. SMTP/email). public String uploadImgaeToDB(@RequestParam("imageFile") MultipartFile imageFile) throws IOException {. Add a comment | How can I convert an image into Base64 string using JavaScript? 2421. Here is the image I uploaded using the perspective upload component, and then pushed to the db Feb 15, 2019 · Automation Professionals is pleased to announce an alpha release of its new Blob Server Module. In the options, we also set the extension to "png" so that the downloaded image will have the PNG format. To retrieve this data using FOR XML, convert it to binary, varbinary or image data type and use the BINARY BASE64 directive. The input data has a data URI prefix indicating that the image format is PNG. ToBase64String(imageBytes); return base64String; } } 2. Namely, it omits the padding sequence. ToArray(); return Convert. getBytes(); // Create Entity and set profile image. Is there an easy way to decode and convert these BASE64-encoded data back into an image and save them on the file system? Sep 11, 2023 · Applies to: Azure SQL Database SQL analytics endpoint and Warehouse in Microsoft Fabric. println(prepsInsertProduct. To support encoding of unicode text, you should add 'N' in front of TestData: 'SELECT CAST (N'TestData' AS VARBINARY (MAX)) AS bin'. In addition, you will receive some basic information about this image (resolution, MIME type, extension, size). Both procedures have the same three parameters: @PicName - This is a unique key that defines the picture record. varchar [ ( n | max) ]. js How to convert to image from varbinary of MS Sql server datatype. Apr 5, 2022 · To save in the SQL Database Row, use SQL Server connector in the next step - provide the SQL Server Name, Database Name, Username and password if authentication provided or Client Id, Tenant Id, Client Secret if Azure AD Authentication activated. The idea is to loop over every row and run FROM_BASE64 on it. Sep 11, 2020 · The image data type has been deprecated since SQL Server 2005, you should use the varbinary(max) column type instead. When n is not specified in a data definition or variable declaration statement, the default length is 1. Step 6 – Export Column Transformation in Integration Services. On the internet, there are numerous online programmes for converting an image to a base64 string. Alternatively it is possible to directly store the image as a BLOB ; for example: Sep 23, 2021 · var sql="select image from MyTable where Category=@category"; using var connection=new SqlConnection(connectionString); var images=connection. Help would be appreciated. If you need BASE64 it can go in an nvarchar() text column. Jul 17, 2017 · The first procedure does the import of the image file into a SQL table and the second procedure does the export of the image from a SQL table. toString('base64') will convert the raw binary data in the buffer to a base64 representation of the data. FromBase64String(mybase64); and put it as a parameter; i tried to convert to memoryStrem and get the Buffer. You can upload an image in PNG, JPG, WebP, BMP, or GIF format, and it will provide a textual representation of the image in base64 as output. I need to convert the varbinary and return the image to a web page. To convert from base 64 string to Image: public Image Base64ToImage(string base64String) // Convert base 64 string to byte[] byte[] imageBytes = Convert. sql. ToBase64String(imageArray); To convert a base64 image back to a System. By default the canvas outputs to a lossless PNG, we can pass 'image/png', 'image/jpeg' or 'image/webp' to Aug 27, 2015 · 5. answered Jun 18, 2011 at 10:39. NOTE:- Don't forgot to take backup before execution. Drawing. Apr 4, 2016 · Base64 encoding in SQL Server – Lukasz Szozda. Note that the import action assumes that this is a new picture so only inserting is allowed. value('xs:base64Binary(sql:variable("@Image2"))', 'varbinary(max)') and inserted it into the image column. [PictureBinary]"))', 'VARBINARY(MAX)') as Image This code works for any text converted to Base64, but if I convert an image to Base64 and use this code to convert the base64 string to varbinary then it returns null. Jun 22, 2017 · 0. May 22, 2017 · Reading from SQL Server database. FromBase64String(dt. string encoded = Convert. It's slightly more to manage and configure, but it is probably significantly better performance- and scaling-wise than storing large data right in your clustered index. Avoid using these data types in new development work, and plan to modify applications that currently use them. Transact-SQL syntax conventions. select Id,AvatarBinary. Option 1: Convert binary to Base64 using JSON. data:image/png;base64,iVBORw0KGgoAAAA Using vba I am attempting to read the string from the database using microsoft vba. Aug 24, 2023 · In this method, the TO_BASE64() function takes the blob_data column as input and produces Base64-encoded data in the base64_data column. When n is not specified when using the CAST and CONVERT functions, the default length is 30. [convert_binary_base64] ( @input [VARBINARY] ( 3000 ) ) RETURNS [VARCHAR] ( 4000 ) AS. I would like to convert this Hex-value to a base64-binary file and add these to the view as an extra column. Check out this blog post: Feb 1, 2022 · 7. ) May 8, 2015 · Base64 encoding is commonly used when there is a requirement to convert binary data to string format. if you are making a function or something. log(dataURL); const base64 = getBase64StringFromDataURL(dataURL); console. Nov 17, 2017 · I have an image stored in a table as a base64 encoded string. 107. ExecuteScalar() as byte[]; } Code examples in C# about converting byte [] to base64 and SQL Server's varbinary. Image. First, convert the base 64 string to an Image, then use the Image. Query<byte[]>(sql,new {category="Cats"}); And convert it with : var cats64=images. So i am looking for a way to do this in SQL I tri Dec 5, 2014 · Thanks for the help, I tried converting the image to 64 base using this site base64-image. Method 2: Using CONCAT() and CAST() Functions An alternative approach involves using CONCAT() to prepend a data identifier and CAST() to convert BLOB data into a suitable character set . Step 6: Use Integration Services to export column transformations. String, name); conn. Step 2 – Create New SSIS Package. FromBase64String (image); MemoryStream exportStream = new MemoryStream (imageBytes, 0, imageBytes. Available only for Ignition v8. in fact I solved the file system part Convert Base64 to a PNG Image. I found there's a function called FROM_BASE64() but - A. In MySQL, how do you convert a BINARY or VARBINARY value into a Base64 string, and vice-versa? In Microsoft SQL Server, I've been using code like this: CREATE FUNCTION [dbo]. May 9, 2019 · In most cases we will need to work on multiple rows in table, and we want to convert only the VARBINARY data into BASE64 String. My aim is to display it inside a web page, maybe with a data url. I need a simple stored function for further SQL Server base64 encoding, but it returns null for every string I pass. also I can make a specific service on the server that will send a base64 string data of that image (someImage. Imaging. execute()); Trying to insert image to sql server and need to have the image as base64 format. (SQL Server) Decode Base64 Image String (GIF, JPG, etc. 1) ensure you are getting the same length of data back that you save. The Original base64 image is 1676 in length and after conversion it has 1660 in length. Sometimes the files are images. cmd. Then you can retrieve the file location from DB and add it to your src attribute. -- given a NonRemitted_detail. FromBase64String(base64String); // Convert byte[] to Image. Aug 20, 2022 · Encode image in base64 format and store in mysql database , not woring for all type of images with php and laravel 6 Laravel: save image in database Jan 30, 2020 · If you want to upload an image from the frontend, call the POST method with the multipart request body. Nov 20, 2017 · Just swap out BASE64_COL_NAME for your column name, or you can replace sql:column("BASE64_COLUMN") with sql:variable("@base64variable") if you want to use a declared variable e. Mar 22, 2022 · I have file data stored in my database as varbinary. If you google 'convert hex to string' and paste in your sample, you will see the record. Node. (Source: Wikipedia. 1) Choose the image that you want and use any Image to Base64 converter to get the Base64 code. Jun 19, 2014 · A base64 image string is stored in a ms sqlserver database as below: BASE64. Hre is my code: byte [] imageBytes = Convert. Oct 31, 2012 at 13:20. The example provided converts 1 single hex-value into 1 base64-value. There are many times that I wanted to save an image to an SQL Server. yl ok gj af pi gn na no wm hg