C Convert To Hex String

Eric Sosman wrote: el*****@gmail. Converting A String From Infix To Postfix; Writting A C++ Code To Search A String From Wihtin The File - Searching A String From File And Using It To Name The File; Copying From File To String In C; Get Data From File To Struct; Help: Pass String From MFC(c++) To C# - Help Inpassing String From MFC(c++) To C#. This is true if you have a formatted hex string with hyphens like 68-65-6c-6c-6f. How can I convert the hex string 0D76 into decimal value ?. Convert a binary, octal, or hexadecimal value to decimal. A hexadecimal character has a value of (A-F, 0-9). rb to see examples # or use irb to build the code on the fly # you can convert HEX to DEC using the method. Characters can be in upper or lower case. We can't direct convert all characters in to hexadecimal format (eg:@#$%^&*()) that's why firstly I take ASCII value of the character, and then convert ASCII value into hexadecimal format. Being a Base-16 system, there are 16 possible digit symbols. C printf and scanf functions; For loop in C; Hexadecimal number system is a base 16 number system using digits 0 to 7 and A to F whereas Decimal number system is base 10 number system and using digits from 0 to 9. converting hex string to decimal/integer [D3] 6. In this tutorial we will see how to convert a decimal value to hexadecimal using a built-in python function. Discards any whitespace characters (as identified by calling isspace()) until the first non-whitespace character is found, then takes as many characters as possible to form a valid base-n (where n=base) integer number representation and converts them to an integer value. - Convert it to a bytea, in a controlled encoding: convert_to(string > text, dest_encoding name) => bytea > 2. In this article we are discussing about how to convert the Hexadecimal value into string value. Hexadecimal to Decimal Conversion in C++. 45 78 61 6d 70 6C 65 21):. ToInt32(input_string, Input. I'll show you the easy way first and then include the longer method below. hex > mykey. A trailing l or L is not allowed, except if the base is 0. I'm having trouble writing the code to do so. (Where &sal is string). The std::string type is the main string datatype in standard C++ since 1998, but it was not always part of C++. Converts the numeric value of each element of a specified array of bytes to its equivalent hexadecimal string representation. string "01FFA0" is equivalent to byte[] { 1, 255, 160 } Using the code. Hexadecimal to binary conversion is divided in three steps. Same technique can be used to convert binary String or Octal String to decimal number in Java. Converting int to binary string: 2. Converting integer 5 to Hex String: 5 Converting integer 7 to Hex String: 7 Converting integer 13 to Hex String: d Converting integer 23 to Hex String: 17 Converting integer 30 to Hex String: 1e Karthikeya Boyini. Decimal version: 3549. To convert a number from hexadecimal format into equivalent decimal format in C++ programming, you have to ask to the user to enter the hexadecimal number to convert it into decimal number to display the equivalent value in decimal format as shown here in the following program. Free download java convert bmp file to hex string Files at Software Informer. A humble request Our website is made possible by displaying online advertisements to our visitors. ASCII is an encoding system, known as an abbreviation for the American Standard Code for Information Interchange. I have this binary. Convert Character String to Hex using C If this is your first visit, be sure to check out the FAQ by clicking the link above. Write a program to convert a 2 digit BCD number into hexadecimal number?. Related C++ Topics beta. Decimal to Hexadecimal converter C++ Decimal to Hexadecimal Conversion in C++ convert a decimal int to hex C++ Decimal to Hex converter using c++ number conversion Convert hex to decimal in C++ Convert Int to Hexdecimal C++ Converting Decimals to Binary, Octal and Hexadecimal Method to convert from Hex to Integer in C++ Converting to/from. Convert Decimal To Hex Then Do Hex Math; Bases Converting In C - Converting Decimal To Binary Vice Versa; Convert IP To Hex; Trouble Converting Hexadecimal To Binary; Converting Binary To Octal In C++ - Can Anybody Help Me? Converting Wave To Mp3Converting Wave To Mp3; Converting String To Hex Value. I write a lot of ad-hoc protocol analysers using Python. Converting from hexadecimal string to integer. This example also uses charAt() and indexOf() methods of String class. C++11 no longer allows such assignments without a cast. How do you write a program to convert 99 to its hexadecimal number? LXI H, 4150 ; Point to data. NET Color object to a string such as #F782AB. Best Answer: Take a decimal number in an int. Main features: -Can directly generate animated GIF files. 0xFE), but I need conversion to DEC to do other operation. Learn C programming, Data Structures tutorials, exercises, examples, programs, hacks, tips and tricks online. Load hexadecimal, get ASCII. Save your time - just another 3rd world-quality blog. How to convert char string of Hex characters to unsigned char string of binary data I am trying to convert a hexadecimal character array to a binary string (unsigned char) that I can use in crypto functions using Cryptlib or OpenSSL. C code to convert decimal to hexadecimal. You can find many possible implementations at How do you convert Byte Array to Hexadecimal String, and vice versa?. A literal is not a wxString, and (in wxWidgets 2. I know that the actual char representation of each element may be a non printable char otherwise I could use function: strol for valid hex values (1-f). To convert a C# String to a MemoryStream object, use the GetBytes Encoding method to create a byte array, then pass that to the MemoryStream constructor:. Hex String: # Named Color:. if you want to convert character array to String than you can directly pass that to String Constructor as: char[] cArray = {'a','b','c'};. On occasion, you'll need to convert a binary number to hex. World's simplest hex tool. I do have a string variable that stores only a long number, which I have to convert to it's hexadecimal value and store it in another string variable. December 30, 2016 1. topherPedersen's Hexadecimal Conversion Tool. Press button, get result. To convert a number from hexadecimal format into equivalent decimal format in C++ programming, you have to ask to the user to enter the hexadecimal number to convert it into decimal number to display the equivalent value in decimal format as shown here in the following program. Dim abData() As Byte Dim Str As String Dim i As Long Str = "Hello world!". It then calls the ToString(Int16, IFormatProvider) method to convert each element in an array of 16-bit integers to its equivalent string representation. If input d is single, then d must be less than 2^23. How do I convert 32-bit binary string into hexadecimal? If you really had a 32 bit binary value, you could simply memcpy it to a 32 bit integer type and you would have the value you wanted. How do I convert an integer to a hex string in C++? I can find some ways to do it, but they mostly seem targeted towards C. ' Converted the String value 104 to the Byte value 104. HexEncoding is the name of the class I created with static functions for hexadecimal string conversion. How to replace a character in a string from a starting index; How to append a substring to a string; How to append a char to a string; How to format a string as currency; How to get color from string; How to convert a string to camelcase; How to convert a delimited string to a dictionary; How to convert a string to a double array. World's simplest online binary to hex converter. Converting from Binary to Hex. So heres my problem: I have strings that allready contains hex code e. Ascii Text to Hexadecimal Converter In order to use this ascii text to hexadecimal converter tool, type an ascii value like "awesome" to get "61 77 65 73 6f 6d 65" and then hit the Convert button. Convert Decimal To Hex Then Do Hex Math; Bases Converting In C - Converting Decimal To Binary Vice Versa; Convert IP To Hex; Trouble Converting Hexadecimal To Binary; Converting Binary To Octal In C++ - Can Anybody Help Me? Converting Wave To Mp3Converting Wave To Mp3; Converting String To Hex Value. A regular decimal number is the sum of the digits multiplied with power of 10. May throw std::bad_alloc from the std::string constructor. Convert Hex Value To Byte Array: 11. This is also relatively simple except for also needing to account for any zeros at the beginning of the binary number which are not present. It then calls the ToString(Int16, IFormatProvider) method to convert each element in an array of 16-bit integers to its equivalent string representation. Hi all, How do I convert an unsigned long to hex. Rate this: Please Sign up or sign in to vote. ASCII stands for American Standard Code for Information Interchange. Finally, we need to know how the input and output strings are stored/used. With this information, we can write a C# function to parse the hex string and convert it into a regular RGB color. In this article, we will learn how to convert Byte Array to Hexadecimal string and. My requirements were to have a fixed-length string as a result, and encode negative values properly (-1 => ff. This online conversion tool has been developed to convert string to ASCII or hexa or binary digits. ' Assign the value 49153 to i. The C program is successfully compiled and run on a Linux system. ToString(Byte[], Int32) ToString(Byte[], Int32) ToString(Byte[], Int32) ToString(Byte[], Int32) Converts the numeric value of each element of a specified subarray of bytes to its equivalent hexadecimal string representation. Advertiser Disclosure: Some of the products that appear on this site are from companies from which QuinStreet receives compensation. Java String to Date. 0 is not in a recognizable format. If I want to parse a character in that string as a row or column co-ordinate in order to access the corresponding array element, well then that char '5' needs to become an int 5, so I subtract 48 to do this. A conversion specifier begins with a percent sign, and ends with one of the following output conversion characters. C++ program to convert octal number to hexadecimal number. to_i(base), # which converts a string to a decimal number from the specified base number: puts ". In C, if you want to convert a string into a number, you can use sprintf(), atoi() or a number of other utility functions. value of 7fffffffffffffff) to decimal. Scanner; public class Decimal_Hexa { Scanner scan; int num; void getVal() { System. Say I have a string that represents the hex values for each character of a string, e. i have already tried it but it showing extra few things on it. Maryniuck: Jul 09, 2002 01:23 pm. You can find many possible implementations at How do you convert Byte Array to Hexadecimal String, and vice versa?. My opinion is that the easiest way to achieve is to use Powershell. Integers are just numbers, they have no inherent base. Before SQL Server 2005, it was not possible to directly convert the binary data to a string of hexadecimal characters, however, since SQL Server 2005; you can do the binary to hexadecimal conversion with one of the following two Transact-SQL approaches:. If your goal is to convert a single ascii character into its hex representation, the typical approach would be to take the ascii character code of the char, convert it from decimal to hex, and then write it back as a string padded to two bytes. I have not been able to find any standard C or C++ functions to do that, so I decided to write my own. Press button, get result. This doesn't work too well if -1 one is a meaningful value in your program. Converting a decimal to a hex string. There are a few ways depending on the Python version you have on your computer. I need some ideas as to how I can convert an integer to a string containing its hexadecimal equivalent. We have used this format specifier to convert number into a string by using sprintf() function. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. Examples > Strings. The memory-writing conversion specifier % n is a common target of security exploits where format strings depend on user input and is not supported by the bounds-checked printf_s family of functions. Train on kata in the dojo and reach your highest potential. What's the cleanest, easiest way to do this. The 32-bit values can hold up to four characters of data, and they work well in turning registry entries either on or off. However, binary data cannot be represented directly in plain text, so one popular method is to convert binary to Base64 format. Convert decimal to hex and binary in C. Program for decimal to hexadecimal conversion. Similar to %d, but interprets the number as hexadecimal when preceded by 0x and octal when preceded by 0. toString() is the best option for converting character to String into Java. Ok, I've searched on google for a few hours now, and nothing is working how I want it to. ToInt32(input_string, Input. C++ Decimals to Binary C++ Decimal to Octal C++ Decimal to Hexadecimal C++ Binary To Decimal C++ Hexadecimal to Decimal C++ hex (Hexadecimal) string to signed Integer C++ an Integer into a String C++ a String into an Integer Data C++ a string into the ASCII Format C++ Character into Integer C++ Character into a String C++ String to Date C++ double to string C++ Character To Ascii C++ Character. In this tutorial we will see how to convert a decimal value to hexadecimal using a built-in python function. C program to convert roman number to decimal number. Hex encoder and decoder. Given a string as input, write a program to convert the characters of given string into hexadecimal equivalent of ASCII values. VisualBasicclass. "FFFFCC") to CMYK values of the same color? Answer: The CMYK (Cyan, Magenta, Yellow, blacK) color model is widely used in printed media. The following example illustrates one technique for ensuring that the method does not inappropriately use unsigned binary representation when it converts a hexadecimal string representation to a Byte value. We can convert String to Date in java using parse() method of DateFormat and SimpleDateFormat classes. NET Framework is provides functionality to convert base data types to an array of bytes, and an array of bytes to base data types. Binary to hexadecimal number conversion calculator. Finally, we need to know how the input and output strings are stored/used. C program to convert each digits of a number in words 20. How can I convert the hex string 0D76 into decimal value ?. Given a hex string, we have to convert it into an integer using stoi() function. Converting to RGB The only thing you need to convert hex to RGB is a way to convert those hexadecimal values, such as "FF", into decimal values (255 in this case). On occasion, you’ll need to convert a binary number to hex. Convert ASCII to hex and other formats, and vice versa. write a c++ program to convert hex to ascii string How to use Xerces Library to parse the XML file with Visual C++ Project Decimal to Hexadecimal converter - C++. Extract each hex digits separately. Method #2 : Using binascii. A literal is not a wxString, and (in wxWidgets 2. rb to see examples # or use irb to build the code on the fly # you can convert HEX to DEC using the method. But in this case we have solved this problem using simple trick. For a hex literal that’s not prefixed you can quite easily convert it using int. C is a procedure oriented language. To convert Hexadecimal(Hex) to ASCII , we cut the Hex value in pairs, convert it to radix 16 using the Integer. This article demonstrates several options to convert VARBINARY data into Base64 string, and vice versa convert Base64 string into VARBINARY. Given Hexadecimal value string as input, the task is to convert the given hexadecimal value string into their corresponding ASCII format string. Be careful with files > 1 MB (possible high resource consumption, e. ToInt32(input_string, Input. Convert class. Report Ask Add Snippet. The most common solution for these problems is here document -style string literals. I have a hex string like this 00133587a1bddb8dae00a3a01a010100, which is actually 7 hex strings concatenated that when expanded out look like this 00 133587a1. However it does not contain Clear() method, that would allow you to clear the content of a StringBuilder. Java Convert Decimal to Hex example and examples of string to int, int to string, string to date, date to string, string to long, long to string, string to char, char to string, int to long, long to int etc. I will appreciate any help to get a working code. This function is located in the Functions Palette under Programming»String»String/Number Conversion. What does this mean? 1) "STEPHEN" is not a number so it can't be converted to Hex or 2) "STEPHEN" is a string of characters that each have a Hex value. Re: Convert userdata to hex string. String streams are used for formatting, parsing, converting a string into numeric values etc. i have already tried it but it showing extra few things on it. Quick conversion table for decimal, hexadecimal and binary values. Learn C programming, Data Structures tutorials, exercises, examples, programs, hacks, tips and tricks online. When basefield is set to hex, integer values inserted into the stream are expressed in hexadecimal base (i. A trailing l or L is not allowed, except if the base is 0. It’s fairly easy to convert a C# String to a Stream and vice-versa. For example, if you're just outputting the hex string, then Sharad's example works for the output part. A humble request Our website is made possible by displaying online advertisements to our visitors. Free download vb6 string to hex conversion Files at Software Informer. Hex value to Binary: 15. We can convert char to String in java using String. C program to convert each digits of a number in words 20. Java Convert String to int. Ever browser I’ve used renders colors using rgb as default so when using the farbtastic color picker I’m converting the hex value to rgb by grabbing the background color the hex value generates (as rgb by default = simple conversion). Best and Secure CMYK to HEX Converter to convert CMYK to HEX code with color picker tool and with color tables. Converting int to binary string: 2. How to convert from hex to decimal. It calculates even possible rounded values for market prices. Convert a hex string into a byte array with one byte for every 2 hex characters. WRITE A Program to convert integar to hexadecimal in c language? Use the %X modifier of printf. Readability. I need some ideas as to how I can convert an integer to a string containing its hexadecimal equivalent. Python 2 [code]>>> "(HexValue)". Given a hex string, we have to convert it into an integer using stoi() function. You may have to register before you can post: click the register link above to proceed. The hex() function converts an integer number to a lowercase hexadecimal string prefixed with “0x”. An std::string can be constructed from a C-style string, and a C-style string can also be obtained from one. Conversion de nombre et de string These little functions convert a number to an hex or to a string and vice versa. Enter ASCII text and press the Convert button:. Advertiser Disclosure: Some of the products that appear on this site are from companies from which QuinStreet receives compensation. C++ Convert Hex Char to Bin i coded a program for convert 16 char of hexadecimal number to 64-bit binary. Something like the following. byte[] val = new byte[str. On occasion, you'll need to convert a binary number to hex. sscanf for converting string to hex Hi all I have searched the forum for this, but no-one seem to adress my problem exactly. You can convert your number to a hexadecimal string using sprintf, then convert the string to a number, then convert the number to a hexadecimal string using sprintf. How to: Convert Between Hexadecimal Strings and Numeric Types (C# Programming Guide) 07/20/2015; 3 minutes to read +6; In this article. Below is the code that is used to convert a string to hexadecimal format. For input streams, extracted values are also expected to be expressed in hexadecimal base when this flag is set. (Also, you should decide whether this is C or C++. In this tutorial we will see how to convert a decimal value to hexadecimal using a built-in python function. Convert class. To convert hex string to byte array, you need to first get the length of the given string and include it while creating a new byte array. Return Value A pointer to the resulting null-terminated string, same as parameter str. To convert byte array to hex value, we loop through each byte in the array and use String's format(). Length * 2); foreach (var b in byteArray Stack Exchange Network Stack Exchange network consists of 175 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build. ASCII Text to Hex converter. Sometimes, I want to convert it back again. I could do it in C but in Qt I did not find any solution :). The "Hexadecimal" or simply "Hex" numbering system uses the Base of 16 system. Or you can probably save some time by doing the conversion manually. toString(char) method of Character class. - Dale Reed Sep 2 '14 at. It is a native feature. C program to convert each digits of a number in words 20. Convert hex string to ascii string If this is your first visit, be sure to check out the FAQ by clicking the link above. For this conversion we are using the stringstream feature of C++. Binary to Hexadecimal Converter. Let's see the simple code to convert char to String in java using String. Hexadecimal. h pow(), for efficiency reasons $ cat test. A Hex string does not convert into "normal text". Readability. import java. ' Converted the Char value x to the Byte value 120. Konvertieren hex, Text und Hex decode Saiten. Well, without a few more details about what you want to do exactly, it is going to be a wild shot. Bash CSS3 DOM Development Magento2 NJ Oracle Shell String Strukture actionscript ajax apache api array as3 browser c class cocoa convert css custom data database date. It doesn't seem there's a native way to do it in C++. Sign in Sign up. It is a pretty simple problem though; I've got an int which I'd like to convert to a hex string for later printing. Paste a string, get a hexadecimal. An interesting RGB to Hex color converter, to find the Hexadecimal equivalent of the given color combination of Red, Green and Blue values. Given a hex string, we have to convert it into an integer using stoi() function. For example, a hexadecimal value of 0409 converts to a decimal value of 1033. To convert hexadecimal number to octal number in C++ programming, you have to ask to the user to enter the hexadecimal number to convert it into octal number to display the equivalent value in octal format as shown here in the following program. Enter ASCII text and press the Convert button:. For this conversion we are using the stringstream feature of C++. The 32-bit values can hold up to four characters of data, and they work well in turning registry entries either on or off. Changing the curve to a prime256v1 I seem to be facing difficulties in converting a hex string of the publicKey to PublicKey object. C# String To Array C# Strings. Parse in C#: But as you've probably noticed, most hex literals are prefixed with 0x (e. This is also relatively simple except for also needing to account for any zeros at the beginning of the binary number which are not present. You have to make sure it’s big enough to hold the number you pass into the constructor. I'll show you the easy way first and then include the longer method below. Portability This function is not defined in ANSI-C and is not part of C++, but is supported by some compilers. I used to import simple integers and in that case i had to use bs02. For example I have string that contains hexadecimal numbers: std::string hexStr = "E110A3" and I want to convert it to char. You can use the functions int and float to convert to integers or floating point numbers. The problem I'm having is that every time I try to display the converted string, it's null, however, this website: Click! works just fine in converting it. Recently I developed a program in PIC18F2550 that reads the data from the ADC and sends to the serial port. To convert Hexadecimal(Hex) to ASCII , we cut the Hex value in pairs, convert it to radix 16 using the Integer. Hexadecimal to String. Even though in Java we specify decimal, hex, octal and other radix representations of int literals, inside the int, there is no radix. What other alternative(s) is suggested?. Converting A String From Infix To Postfix; Writting A C++ Code To Search A String From Wihtin The File - Searching A String From File And Using It To Name The File; Copying From File To String In C; Get Data From File To Struct; Help: Pass String From MFC(c++) To C# - Help Inpassing String From MFC(c++) To C#. Finding anagrams in C++ array. with buffer the returned character string. On occasion, you'll need to convert a binary number to hex. For example: readingreg[0] = 4a, 4a is hex value can someone help me in making a new array and it would look like: newArray[0] = 4a; newArray[1] = aa; and so on where 4a and aa will be strings rather than hex. Yes, converting the secure string to a plain string will leave you with the password in memory for an unknown amount of time, which is why one should avoid the conversion in the first place. My requirements were to have a fixed-length string as a result, and encode negative values properly (-1 => ff. CNMVLC enables you to convert a C string to a varying length character string to be used in the NetView® HLL environment. It doesn't seem there's a native way to do it in C++. std::string tohexed = ToHex(std::string(memblock, memblock+size), true);. This article demonstrates several options to convert VARBINARY data into Base64 string, and vice versa convert Base64 string into VARBINARY. C/C++ function to Convert Hex String to Decimal Number May 7, 2014 No Comments c / c++ , code , code library , programming languages , tricks In C/C++ header file stdlib. For example, the value "10" would be written out as "0A". Hex value =A48 Decimal value =8*16^0 +4*a6 ^1 +A*16^2+ so first thing you need to do is to convert string value to integer using. We can convert String to an int in java using Integer. If you know for certain that this is a Hex string, than it might be faster to build your own parsing function. Need a code to convert Hexadecimal into string and then into double can anyone please help me. "0x142CBD") which would throw a FormatException if you try to parse it using the above code. Qoute string converting each char to hex repr and back. Convert System::Byte[] to a Hex string If this is your first visit, be sure to check out the FAQ by clicking the link above. This value represents English. No ads, nonsense or garbage, just a hex to text converter. Bytes To Hex String: 13. Save your time - just another 3rd world-quality blog. Any assistance with this is greatly appreciated. Convert ascii code to hex string in c#. A literal is not a wxString, and (in wxWidgets 2. A trailing l or L is not allowed, except if the base is 0. However it does not contain Clear() method, that would allow you to clear the content of a StringBuilder. An std::string can be constructed from a C-style string, and a C-style string can also be obtained from one. I'm not having a go at you, I am genuinely interested. Convert String to Stream. Java Convert String to int. You are inconsistent in your use of braces around single statements in the make_hex_string_learning function. Rainer Fischer author of Program to Convert Decimal number to Hexadecimal number is from Frankfurt, Germany. Same technique can be used to convert binary String or Octal String to decimal number in Java. When converting this using hexdec this is converted to a float and returns the wrong value, when assigned to a variable as a hex string and converted using intval() it loses precision. I am looking for a way to convert a signed 32-bit hex string to decimal string. I am trying to read digits (number from 0 to 255) from Serial port, convert them to HEX String and send them using SoftwareSerial as HEX. When the radix is OCTAL, utoa() formats unsigned integer n into an octal constant. Free download convert bitmap to hex string Files at Software Informer. C program for fractional decimal to binary fraction conversion. In the function make_hex_string_learning using the ternary operator should be better for readability when assigning to *p. This is also relatively simple except for also needing to account for any zeros at the beginning of the binary number which are not present. To convert a hexadecimal to a decimal manually, you must start by multiplying the hex number by 16. World's simplest online hexadecimal values to string converter. The code samples below show how to perform the conversion(s): -- Convert hexstring value in a variable to varbinary:. I want its values to be string. LENGTH=reg3 specifies a register, reg3, that contains the number of bytes to convert. Convert Bitmap To Hex Codes and Scripts Downloads Free. The above Hex to String Converter is super easy to use. I got the problem for HEX to DEC conversion. import java. Online tool for hex decoding a string. hexlify() The inbuilt function of hexlify can be used to perform this particular task. An interesting RGB to Hex color converter, to find the Hexadecimal equivalent of the given color combination of Red, Green and Blue values. For example: readingreg[0] = 4a, 4a is hex value can someone help me in making a new array and it would look like: newArray[0] = 4a; newArray[1] = aa; and so on where 4a and aa will be strings rather than hex. The 32-bit values can hold up to four characters of data, and they work well in turning registry entries either on or off. It'll translate whatever's in the filled box into whatever's in the blank box. Just load your hex numbers and they will automatically get converted to ASCII characters. This number system is especially interesting because in our casually used decimal system we have only 10 digits to represent numbers. Learn C programming, Data Structures tutorials, exercises, examples, programs, hacks, tips and tricks online. Client-side (javascript, no data is sent to server) file to hexadecimal code conversion. NET Framework the source code is relatively simple without worrying about the string parsing algorithms too much. String to Int Function. Dim abData() As Byte Dim Str As String Dim i As Long Str = "Hello world!". You can convert your number to a hexadecimal string using sprintf, then convert the string to a number, then convert the number to a hexadecimal string using sprintf.