Decode Hex String C

Using the Free Hex Encoding Tool. encodeBase64(byte[]) and Base64. (until C99) If one literal is unprefixed, the resulting string literal has the width/encoding specified by the prefixed literal. This turns into a bunch of bytes you can view in HEX. Hexadecimal to String Enter the hexadecimal text to decode get sample. Thorsten just needed some data to show how to use HEX2DEC. The process of ‘HTML decoding’ involves undoing a previous ‘HTML encoding’, replacing particular ‘escape sequence’ of characters with their normal representation. *; import. Input data is assumed to be an hexadecimal/base16 encoded UTF-8 string. Explore the color #7B2C4F in HEX, RGBA, HSL. This sends the buffer to a LIN modem. Thus, the string "Jon" sets up an array of four characters ('J', 'o', 'n', and zero) and generates the address of the first character, for use by the program. C# class for Hex encoding Here is the C# code I wrote for handling Hexadecimal encoding/decoding for using with OpenSSL tool. Therefore for new protocols and formats, as well as existing formats deployed in new contexts, this specification requires (and defines) the utf-8 encoding. They use std::string as the argument and return type. It converts into binary, i. Hello everyone! I'm trying to convert an ASCII string from a file into a HEX string for use in my project. 3 – Captures. URL Encoding/Decoding in C Recently I had the need to encode and decode URL-encoded strings. The hex value is the digit sequence of the remainders from the last to first. ROT-13 Encryptor & Decryptor Rot13 or Rot-13 (short for rotate 13) is a simple letter substitution encryption scheme. There are no ads, popups or nonsense, just an awesome base64 to a string decoder. It converts into binary, i. URL Encode and Decode Tool. A URL’s path is a list of zero or more ASCII strings holding data, usually identifying a location in hierarchical form. These examples show you how to perform the following tasks: Obtain the hexadecimal value of each character in a string. Hexadecimal (hex) is particularly convenient because you can easily (well, with practice) see immediately what the value of the underlying ciphertext is. Whether you are using EPC or ISO tags, decoding tag data requires detailed, bit-level programming to convert the raw tag data from binary or HEX into business information. Converting wide-character strings to a sequence of bytes in C is more problematic. What does this RGB to Hex converter do? It takes input in the form of values for Red, Green and Blue ranging from 0 to 255 and then converts those values to a hexadecimal string that can be used to specify color in html/css code. decode("hex") I am not sure I remember in which version of. This will be used to decode PSKs stored in hexadecimal representation. ASCII, Encoding. A URI is represented as a sequence of characters, not as a sequence of octets. In this article, I'll explore some hex encode/decode options, including the one supported by the CryptoAPI, and at the end of the article, I'll present the ultra-fast functions that ended up in my production code. Decode the given base64-encoded string (-b "S2FsaSBMaW51eAo=") and display the result. Based on the English alphabet, ASCII is a character-encoding scheme. With the exception of when CRYPT_STRING_BINARY encoding is used, all strings are appended with a new line sequence. Hello, Colleagues ! I have to transform string, encoded to hexadecimal to text, but if I try to select encode('Qt is great!', 'hex'); I receive valid and correct results 517420697320677265617421 but if I try to select decode ('517420697320677265617421', 'hex'), I receive the same string, such as '\x517420697320677265617421, which way I have to do for valid convert to/from hexadecimal ?. This faq will show you how to convert string to hexadecimal string and viceversa. If padWithSpace is true, then SPACE chars are used and the string is not null-terminated. Decoding Base64 string is quite similar to encoding it. It accepts the encoding of the encoding string to decode it and returns the original. NET]ASCII String與Hex String的互轉 (ByVal asciiString As String) As String Dim ascii() As Byte = System. Hi Experts, I've just been hit with a sql injection which contained a hex string - does anyone know how I can decode that hex to see what commands they were trying to run? Many thanks, Decode Hex after SQL Injection attack. An object of type Byte contains a single field whose type is byte. N is 16 for an MD5() value and 20 for a SHA1() value. To find technic. String Length, Reversing, Word Count, Splitting, Show Hidden Characters, toUpper,toLower and others. It was inspired by the floating-point to hexadecimal conversion page created by a Queens College undergraduate, Quanfei Wen, a member of PBK and UPE. Unicode Dim u16BE As Encoding = Encoding. Of course, the fact that HTML also uses labels for some entities makes decoding more awkward (you need a few special cases), but that is not an issue with URL-encoding. Method #1 : Using int() This function can be used to perform this particular task, adding an argument (16) this function can convert hexadecimal string number to base sixteen and convert it into integer at the same time. Unicode, but because string is already in Unicode, it doesn't solve the problem. enc encoding. Decoding Base64 string is quite similar to encoding it. ) specified by the EncodingMode property. Supported formats are base64, hexadecimal, JSON, Java, C++, PHP, quoted-printable, URL, HTTP POST, XML, UTF-8 and more. Net, Free downloads of Hex Encoding Program freeware and shareware programs. There is a missing piece of information. The number 42 in octal: 52 The number 42 in decimal: 42 The number 42 in hex: 2a Parsing "2A" as hex gives 42 42 as hex gives 2a and 21 as hex gives 15. @faisalman: convertBase is written as a constructor, then you should use it as one. I don't need the character values in the string, I need the actual hex code. For example, if your source viewer only supports Windows-1252, but the page is encoded as UTF-8, you can select text from your source viewer, paste it here, and see what the characters really are. ToInt32 function is very useful for this purpose. Unicode Dim u16BE As Encoding = Encoding. Text -> C/C++ string converter. Subject: [PATCH 1/4] Core: add function to decode hexadecimal strings. , every one character in the hex string translates into four bits, and all the characters together translate into a series of bits (four times as many bits as there were characters in the hex string). 6 - Changed the default value for the character-set parameter to the value of the default charset (in configuration). This works opposite to the encode. Create the decoding map first, and then use make_encoding_map() to convert it to an encoding map. It includes 1, 8 and 9 but excludes l, v and 2. Each pair of hexadecimal digits requires one byte in binary form, so the value of N depends on the length of the hex string. The total program is used to encode and decode the string in hexa format. The character encoding problem Developers are usually familiar with the ASCII character set. The percent sign The percent sign ("%", ASCII 25 hex) is used as the escape character in the encoding scheme and is never allowed for anything else. Converts base64 string into image. Tip: If you type # in the input field you can also enter actual UTF-8 characters, like "#Jökulsárlón". Hi All, I am working on a mini project that requires me to take a 8 byte hex string that I received from the Serial Port and convert it into a Byte Array and display it on the screen. Get Base64 From HEX: 12. URL encoding stands for encoding certain characters in a URL by replacing them with one or more character triplets that consist of the percent character "[. [Format] Formatting some string chars not encoding to hex. An example of a hexadecimal number is 3BF2. September 1998 This page was created by Kevin J. The first few words will be analyzed so they should be (scrambled) in supposed Cyrillic. The point is, it is easiest to work with ASCII values in encoding URLS and HTML, rather than treating every single possibility as a special case. So it's possible to read a hexadecimal string and convert it into a value, as the following code demonstrates:. are they being encoded)? If so is there any way that I can either control how opendir and readdir are encoding names, or perhaps use some other system calls that works with raw bytes instead of encoding stuff behind my back?. Press button, get result. encoding (Optional) - if source is a string, the encoding of the string. js assumes we want to convert the object to utf8 encoded string by default. Given a hex string, we have to convert it into an integer using stoi() function. You can get the string of hex digits into your code by hard coding it, by accepting it as an input argument to your function, or even using the INPUT function. Base64 encode your data in a hassle-free way, or decode it into human-readable format. Gets an encoding for the ASCII (7-bit) character set. *; import ij. Base64 encoding schemes are commonly used when there is a need to encode binary data that needs be stored and transferred over media that are designed to deal with textual data. UTF8, utf8Bytes); string uf8converted = Encoding. For example I type decode QWxhZGRpbjpvcGVuIHNlc2FtZQ== and it prints Aladdin:open sesame and returns to the prompt. Every byte of data is converted into the corresponding 2-digit hex representation. Getting a byte from its hexadecimal representation (string) is an almost trivial task, you may do it yourself or you may use, as suggested, strtoul [] function or sscanf [] one. "%x" - prints value with lowercase alphabets (a to f). Given Hexadecimal value string as input, the task is to convert the given hexadecimal value string into their corresponding ASCII format string. If you really have a string containing "003C", you should be able to google strtoul() to figure out that it takes three arguments (the string to convert, a place to store a pointer to the first non converted character, which can be NULL, and the base (16 for hex)), and that it returns one value - the result of the conversion as an unsigned long. hashing algorithms. In C-Sharp use System. Questions: In Python 2, converting the hexadecimal form of a string into the corresponding unicode was straightforward: comments. In addition, base64 encode/decode binary data. You can get the string of hex digits into your code by hard coding it, by accepting it as an input argument to your function, or even using the INPUT function. So is there a similar method in C#? I have searched for a solution and have found some ways to convert between decimal and hex:. 45 78 61 6d 70 6C 65 21):. The application is compatible with Windows 7 and greater including Windows 10. use URLDecoder#decode(String, String) instead Decodes the string argument which is assumed to be encoded in the x-www-form-urlencoded MIME content type. c C module, compiled it into a stand-alone DLL named IfcGuid. Often people use a comma to indicate different pieces of information (this format is commonly referred to as comma-separated-values or CSV), but other characters like a space or a period will work too. In C programming language, we can use hexadecimal literals in any expressions; we can assign hexadecimal numbers to the variables. 1: Se emite una advertencia si el string de entrada es un string hexadecimal no válido. i need an excel function to convert base64 to hexadecimal. Binary to octal decoder / converter. Mengkonversi hexadecimaly dikodekan teks ke string decode atau download sebagai file menggunakan hex online gratis untuk teks utilitas decoder. Problems to convert Unicode to UTF-8 string (for displaying) Yes, I try Encoding. We can make it convert to other formats by passing the encoding type to toString(). They require exactly one character following \c. The result is an hexadecimal/base16 encoded UTF-8 string. GetBytes(s) s = Text. Repeat step 2 and 3 until result is 0. Decode an hexadecimal/base16 encoded string, as per RFC-4648. It also permutes the alphabet so that the easier characters are the ones that occur more. Because it can be impossible to distinguish between a hex and a decimal number (is that ’25’ a decimal 25 or is it 25 in hex which equals 37 decimal?) it is customary to put a lowercase ‘h’ after each hex number. ASCII is short for American Standard Code for Information Interchange. write Latest decoded results. The current code I am using is: Public Function StringToHex(ByVal str As String) As String Dim bytes() As Byte Dim ret As String bytes = Encoding. Drag & Drop your files, copy to clipboard with a click and use the result in HTML and CSS. F0 to FF hex (240 to 255): first byte of a four-byte sequence. The length of a UTF-8 string is often communicated as a byte count, since that's what really matters. hashing algorithms. cristi92b I tried to make a simple c++ console program that encodes an ascii text to base64 text and then decode. AlgorithmParameters MakeParameters(const char *name, const T &value, bool throwIfNotUsed=true). Introduces the hexadecimal numbering system, place values, and the uses of hexadecimal in computing. I would like to write a bash script to decode a base64 string. Online tool to translate ASCII/ANSI, Hexadecimal, Binary, Base64, Decimal. Every byte of data is converted into the corresponding 2-digit hex representation. Online nástroj pro šestihranné dekódování řetězec. One of the most common special characters is a white. encoding/decoding base64. "", padchr) endfor && and build result hex digit string return hex_str. Whether you are using EPC or ISO tags, decoding tag data requires detailed, bit-level programming to convert the raw tag data from binary or HEX into business information. Dump returns a string that contains a hex dump of the given data. Many people find this counter-intuitive. stoi() stands for string to integer, it is a standard library function in C++ STL, it is used to convert a given string in various formats (like binary, octal, hex or a simple number in string formatted) into an integer. want to return the String in hex instead of Byte. Free online tool decodes UTF8-encoded strings for free. What is Base64? Term Base64 initiated from a precise MIME(Multipurpose Internet Mail Extension) content Transfer encoding. Escape sequences are used to represent certain special characters within string literals and character constants. The encoding map converts character values from the input string to byte values in the output and the decoding map goes the other way. UTF7 Dim u8 As Encoding = Encoding. (Note that we're using "16" here as a decimal number to explain a number that would be "10" in hexadecimal. decode() works the other way. The Decimal representation of this is: 2300. A packed decimal representation stores decimal digits in each "nibble" of a byte (a byte is eight bits and a nibble is four bits). - Linux - Fixed support for comparing GIF images in the Picture Compare. This tool is converting your. Encode and decode strings: Base64, URL, XML, JavaScript. The hashtag ( # ) indicates that what’s coming next in a line of code is a hex color notation. For example, if your source viewer only supports Windows-1252, but the page is encoded as UTF-8, you can select text from your source viewer, paste it here, and see what the characters really are. Getting a byte from its hexadecimal representation (string) is an almost trivial task, you may do it yourself or you may use, as suggested, strtoul [] function or sscanf [] one. So I will convert it to a hex number in MIPS manually but converting it one byte at a time into next, shifting and then fetching another number and convert it and added it to the previous converted hex number. Sometimes you might need to map this data into readable format. Here, we have to declare an unsigned int variable and input a value in hexadecimal format. GetEncoding("iso-8859-1"). Examples of use Introductionary Sample. Octal uses a three-bit binary system. It defaults to the default string encoding. z-base-32 is a Base32 encoding designed to be easier for human use and more compact. This is to ensure that the data remains intact without modification during transport. So I will convert it to a hex number in MIPS manually but converting it one byte at a time into next, shifting and then fetching another number and convert it and added it to the previous converted hex number. Introduction. They use std::string as the argument and return type. Visual Basic. To achieve this, the Modified Hexadecimal encoding – a. Base64 encode your data in a hassle-free way, or decode it into human-readable format. A warning is thrown if the input string is invalid hexadecimal string. Input data is assumed to be an hexadecimal/base16 encoded UTF-8 string. Keep in mind that Netscape and Opera are much more strict on this point, and spaces MUST be encoded if the URL is to be considered to be correct. Most of the time you just want to convert some bytes into some characters, and vice versa. Enter ASCII text and press the Convert button:. ToInt32 function is very useful for this purpose. Conversia un text hexadecimaly codificat într-un șir decodificat sau descărca ca un fișier folosind acest hex online gratuit la text utilitate decodor. Convert hex to text and hex decode strings. This standard defines the Base16, Base32, and Base64 algorithms for encoding and decoding arbitrary binary strings into text strings that can be safely sent by email, used as parts of URLs, or included as part of an HTTP POST request. The cryptic value was E********B**0**E** (covered to protect card). Byte[] bytes = System. What GetBytes is going to do is take each byte in your buffer and return the ASCII character corresponding to that byte. Can anybody explain this please ? In this string, The first line takes each two characters from the string and convert it to byte. Thus, the string "Jon" sets up an array of four characters ('J', 'o', 'n', and zero) and generates the address of the first character, for use by the program. C/C++ string literal to text converter. The word hexadecimal is composed of hexa-, derived from the Greek ἕξ (hex) for six, and -decimal, derived from the Latin for tenth. A Hex string does not convert into "normal text". ASCII is short for American Standard Code for Information Interchange. Encoded strings are ok, national characters has 2 bytes and they are correct. Here are 4 simple tools that can easily convert the reghex to more readable text values to make the data more understandable. Use hex when your binary string is a giant number, and use base64 when you're simply turning a binary string into a printable one. I did this program for my smart Card application. Unhappy with the available options, and after taking a look at this C sample code, i decided to roll my own C++ url-encode function: #include #include #include #include. *; import java. UTF32 ' Encode the entire string, and print out the counts and the resulting bytes. 6 - Changed the default value for the character-set parameter to the value of the default charset (in configuration). With a character encoding standard. Assigning the Hexadecimal number in a variable. Convert(Encoding. Convert text to hex and hex encode strings. Ask Question Asked 4 years, 3 months ago. Hexadecimal uses a four-bit binary coding. Two convenient methods in C# to make ASCII to Hexadecimal conversions. The bytes are. is prohibited. Generally, I'm dealing with a byte stream that I want to output as a string of hex. decode() is a method specified in Strings in Python 2. Base64 encoding schemes are commonly used when there is a need to encode binary data that needs be stored and transferred over media that are designed to deal with textual data. Programming simple I/O operations is easy, which involves only a few classes and methods. Instrument online pentru hex decodificarea unui șir. It can also be encoded and decoded to and from ASCII, UTF–8, UTF–16, UTF–32, or any other string encoding represented by NSString Encoding. Finally, it escapes the result one more time to remove any special characters. Hexadecimal describes a base-16 number system. Getting a byte from its hexadecimal representation (string) is an almost trivial task, you may do it yourself or you may use, as suggested, strtoul [] function or sscanf [] one. Hexadecimal numerals are widely used in computer science by computer system designers and programmers. function to url decode a string. The Base64 method of encoding is used when binary data, such as images or video, is transmitted over systems that are designed to transmit data in a plain-text (ASCII) format. Whitespace can be inserted between any pair of tokens. This is formed exactly the same as a Bitcoin address, except that 0x80 is used for the version/application byte, and the payload is 32 bytes instead of 20 (a private key in Bitcoin is a single 32-byte unsigned big-endian integer). Because it can be impossible to distinguish between a hex and a decimal number (is that ’25’ a decimal 25 or is it 25 in hex which equals 37 decimal?) it is customary to put a lowercase ‘h’ after each hex number. Strings, bytes, runes and characters in Go. Group 2: moving through UTF-8 strings. hashValue = crypt. Share private packages across your team with npm Orgs, now with simplified billing via the aws marketplace!. It can be accessed using:. HTML must sometimes be encoded. Need the simple HEX encoding, not Base64? Try out Hexator, a HEX endoder / decoder. Let suppose you have a string "3039" which is a hexadecimal value of integer 12345, but this value is in string format, and you want to its integer (number) value. Programming simple I/O operations is easy, which involves only a few classes and methods. The SHA256 hash string is often appears as Hex style string, the Color System used in HTML is also be written down as Hex number, from #000000 (pure black) to #FFFFFF (pure white). DecodeFromHexString(strHex); // Encode the buffer back into a hexadecimal string. Using the Free Hex Encoding Tool. Write your final answers in hexadecimal. I want to try my hand at encoding something, so i chose a word, and tried this:. URL Encode and Decode Tool. , every one character in the hex string translates into four bits, and all the characters together translate into a series of bits (four times as many bits as there were characters in the hex string). Převést hex na text a hex dekódování řetězce. Binary To String Converter; Hex To String Converter; HTML Entities Escape; HTML Entities Unescape; String To Binary Converter; String To Hex Converter; Strip and Remove HTML Tags; Strip and Remove XML Tags; Word Counter; XML Entities Escape; XML Entities Unescape; Encode/Decoders. Given a hex string, we have to convert it into an integer using stoi() function. It's a special value to be used to tell Chilkat to hex decode // the string and pass the decoded bytes to the hash algorithm. This article shows you how to convert string to hexadecimal and vice versa. The mapping is as follows:. Only two narrow or two wide string literals may be concatenated. 1) Narrow multibyte string literal. func Dump ¶ func Dump(data []byte) string. How to decode HEX strings in audit logs? Wed 09 December 2015 in SELinux. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the. Enter hex numbers with any prefix / postfix / delimiter and press the Convert button (e. Finally, it escapes the result one more time to remove any special characters. OK, I Understand. Arguments that are literal character strings must be enclosed in quotation marks. Convert the bytes to a hex string representation of the bytes: 10. hashing algorithms. Specifically, it returns x / 2. RFC 3641 Generic String Encoding Rules October 2003 b) The component type of each alternative is one of the following ASN. In C++ code we just declare strings as wchar_t (“wide char”) instead of char and use the wcs functions instead of the str functions (for example wcscat and wcslen instead of strcat and strlen). Best regards, Mike Feng MSDN Community Support | Feedback to us Please remember to mark the replies as answers if they help and unmark them if they provide no help. The partner decoder is a HexDecoder. spaces in the string are confusing the decode method. We use cookies for various purposes including analytics. The result is comprised of 16 different symbols: The numbers ‘0’ to ‘9’ as well as the letters ‘A’ to ‘F’ (or ‘a’ to ‘f’, see below). Drag & Drop your files, copy to clipboard with a click and use the result in HTML and CSS. Returns a new escaped string, or self if no characters are escaped. The mapping is as follows:. >> I have to transform string, encoded to hexadecimal to text, but if I try to >> select encode('Qt is great!', 'hex'); I receive valid and correct results >> 517420697320677265617421. GetBytes(datareceived); string hex = ConvertBytes(bytes); datarecieved is the string that sport. The Hex String #000000. Other subitems are not relevant. Useful, free online tool that converts hexadecimal values to plain text. ToUpper & " " Next. Python Forums on Bytes. >> I have to transform string, encoded to hexadecimal to text, but if I try to >> select encode('Qt is great!', 'hex'); I receive valid and correct results >> 517420697320677265617421. In computer science, Base64 is a group of binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation. Convertstring. In the strings you have repeating substrings such as 7474 and 2f2f this could indicate that the original string is encoded on a character base (each character is encoded on it's own, not the complete string as a whole). Base64 encoding schemes are commonly used when there is a need to encode binary data that needs be stored and transferred over media that are designed to deal with textual data. There are 3 pairs of binaries in a hex string. It can also be encoded and decoded to and from ASCII, UTF–8, UTF–16, UTF–32, or any other string encoding represented by NSString Encoding. NET, Perl, Java, C, C++, Ruby and many more, see the Wikipedia article Comparison Of Programming Languages (String Functions). Observe the ordering of characters in an ASCII Table The only real issue with hex encoding is that there is a gap between the 9 and. What is Base64? Term Base64 initiated from a precise MIME(Multipurpose Internet Mail Extension) content Transfer encoding. Lines normally contain 45 (binary) bytes, except for the. Get byte array from hex string: 16. com Convert hex to text and hex decode strings. plugin; import ij. An encoding standard simply specifies all the possible characters available, and assigns each one a string of bits. the same byte array. Binary to Decimal to Hexadecimal Converter Can convert negatives and fractional parts too. Gets an encoding for the ASCII (7-bit) character set. You can also contact us with any suggestions. I have a datafile from a legacy system which has data in hex. Converting String into Hexadecimal String using C program. Convert two-byte hex string to char in perl. - tplgy/cppcodec. Re: certutil - decode/encode BASE64/HEX strings. Therefore, we need a C# client interface for the unmanaged C code to test the encoding and decoding from the standard GUID into the IFC format and back again. Being a Base-16 system, there are 16 possible digit symbols. You can specify your own delimiters like colon or dashes for parsing more complex structures. Octal uses a three-bit binary system. As stated at the start of the article, strings are always in Unicode encoding. Use Hex to Decimal Converter to convert hexadecimal to binary (numbers with base 2) and decimal numbers (numbers with base 10). By default, the new. hex) : certutil -decodehex sample. The decoded string: From: binary. xxd creates a hex dump of a given file or standard input. Free online URL encoder / decoder tool. I have a binary string which look like this 11001111 00011111 11111111 and want to convert this to hex and sent over Uart to Arduino. Net, Free downloads of Hex Encoding Program freeware and shareware programs. Simply enter your string into the box below to encode or decode a URL in or out of ASCII characters compliance. Hex decoding/encoding. The encoding is quite easy to read though, so if human readability is an issue, then hex encoding is probably a better choice than base64 encoding. " (46) should not be escaped as well. A warning is thrown if the input string is invalid hexadecimal string. Hexadecimal to String Enter the hexadecimal text to decode get sample. Hex decimal dump: 10. Convert the bytes to a hex string representation of the bytes: 9. But I cannot understand this. The “Hexadecimal” or simply “Hex” numbering system uses the Base of 16 system. You may have to register or Login before you can post: click the register link above to proceed. The result is comprised of 16 different symbols: The numbers ‘0’ to ‘9’ as well as the letters ‘A’ to ‘F’ (or ‘a’ to ‘f’, see below). So you have to ask yourself whether or not the string is already UTF-8 encoded. public string CalculateMD5Hash(string input) {// step 1, calculate MD5 hash from input. The changes it underwent are most evident in how strings are handled in encoding/decoding in Python 3. Does not validate input. Convert a hexadecimal string to a byte array: 21. Drag & Drop your files, copy to clipboard with a click and use the result in HTML and CSS. Text: byte[] utf8Bytes = Encoding. Example of decoding URL:. URL encoding/Decoding a CString If this is your first visit, be sure to check out the FAQ by clicking the link above. Specifically, it returns x / 2. For worldwide interoperability, URIs have to be encoded uniformly. Examples of use Introductionary Sample. Hexadecimal numerals are widely used by computer system designers and programmers. HtmlDecode methods in the C# language, we do this without writing any custom code. But I cannot understand this. URL Encode and Decode Tool. a2b_uu (string) ¶ Convert a single line of uuencoded data back to binary and return the binary data.