Javascript Decode String

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. The String Converter - Hash, Encode and Decode strings using any known technique. Knowledge Base Web Development JavaScript How to decode a JSON string using JavaScript If you have a JSON encoded string that you might have received from a ajax scriptand you need to decode it using JavaScript you can use the eval() function to decode the string. This works because a JSON string is a JavaScript string, so if you pass a string to JSON. How to use the btoa function to encode data to Base64 in JavaScript. Regarding the issue of JavaScript being enabled/disabled, it would be very easy to add an additional piece of data to the request through JavaScript, in which case the server would only have to look for the presence or absence of that (absence implying JavaScript was disabled, and the string was sent without first being hashed). URL encoding is also known as percentage encoding because it escapes all special characters with a %. I agree with Shimon in this, there is no reason why adding that layer of base64 encoding AFTER the serialization occurs, should resolve a problem with the unserialization, unless, and that’s not been specified in here, the serialized data was messed up by some escaping function, encoding conversion, etc, before or after being stored in a database or similar. Learn to use Integer. Coder's Toolbox. Anyway, here is my fix:. The encoding argument can be used if the input is a string that's not utf8. Encodes or decodes a string so that it conforms to the Base64 Data Encodings specification (RFC 4648). Which approach the decoder. It can represent any character in the Unicode standard, yet is backwards compatible with ASCII. Beware that the RC4 option is about 30-35% slower than the Base64 option, but it's more difficult to retrieve the strings back. But a couple. As you might expect, JSON data types correspond to the built-in types of JavaScript. Online Base64 Encode is very unique tool to encode Base64 data. Previous: Write a JavaScript function to convert ASCII to Hexadecimal format. It allows you the developer to create any string needed and URL encodes it to be usable by JavaScript. RequestPayer — (String) Confirms that the requester knows that she or he will be charged for the request. , however your code looks like Click on Change to use the new Code Type and continue, Ignore to continue compression without changing the Code Type, or Cancel to abort so you can manually change your selection and adjust other settings. What's the right way to decode a string that has special HTML entities in it? decoder written in JavaScript. Not encoding by default is/was a huge ASP. When reading and writing text files: it's often a good idea to use buffering (default size is 8K) there's always a need to pay attention to exceptions (in particular, IOException and FileNotFoundException) Character Encoding. URL property-- there is another built-in Core JavaScript function, the decodeURI() function. JavaScriptStringEncode. php +++ b/lib/html2text. It's in no way meant to be a secure encryption method, but it is extremely useful for writing obfuscated strings to either a document (your webpage) or a cookie file without needing to worry about quotes or characters. exe, CompatTelRunner. Then click the Run button to see the result. It works in a similar way. As in JavaScript, an object is actually just an unordered set of name/value pairs. For example, %20 is the html equivalent of a. Hi All, I have a question. Base64 The term Base64 is coming from a certain MIME content transfer encoding. Convert Base64 string to String In order to convert a Base64 string back to the original string, use FromBase64String(). Another alternative would be to fold two characters at a time. stringify it will return a perfectly valid JavaScript string complete with quotes that is guaranteed to evaluate back to the original string. When encoding, only upper case letters are used. exe; Excluded IPs from analysis (whitelisted): 104. DONT_GUNZIP flag used in iharder. 8, and (4) Netscape 7. All cheat sheets, round-ups, quick reference cards, quick reference guides and quick reference sheets in one page. Only users with topic management privileges can see it. decode() method returns an array containing the numeric codepoint values of each Unicode symbol in the string. I just want to say: encoding/decoding HTML entities in JavaScript is harder than it seems. This method encodes strings. A good example for this is saving data structures to a cookie. This example shows an associative PHP array output into JavaScript using json_encode. If you wish to submit articles containing JavaScript please email your submissions to [email protected] entrySet() from a J2EE Request object, the value in each entry is an array. Hey all! I am having a bit of difficulty here I was hoping someone could help me out with. The return value is in the form of a string containing only characters in the range from U+0000 to U+00FF, each representing a binary byte with values 0x00 to 0xFF. The decoded string will be shown at the box below in an instant. Here’s an online demo. An "encoding sniffing algorithm" is defined in the specification to determine the character encoding of the document based on multiple sources of input, including: Explicit user instruction; An explicit meta tag within the first 1024 bytes of the document; A Byte order mark within the first three bytes of the document. If JavaScript strings stored 2 bytes for each character, why was I only seeing 1 byte per value in the resulting file?. That's all! Our tool provides the following extra informations aside the length: Storage size of the string in bytes (for utf8 encoding) Count of words within the string. Passing in a malformed JSON string results in a JavaScript exception being thrown. Again, if the text string is not passed to the program on the command line, the program will prompt. String[] argv) Instantiates a command line decoder object, width the 'argv' command line arguments. BSON extends the JSON model to provide additional data types, ordered fields, and to be efficient for encoding and decoding within different languages. All the solutions linked to in the comments have at least one of the issues mentioned there. Allows you to convert a JavaScript object into JSON string. Encode all string literals of the stringArray using either Base64 or RC4 and inserts a special function that it's used to decode it back at runtime. URL Encoder encodes unsafe characters so that the output can be used as a valid part of a URL. Decode Base64 String to Image. Hi All, I have a question. Go's net/url package provides functions like QueryEscape(), PathEscape(), QueryUnescape(), and PathUnescape() to perform URL encoding and decoding. Recently I had a Javascript application that needed to parse the query parameters that were passed to it in the URL. decode some ASP Server. Working with JSON within Web Services recently has become the latest and greatest simply because it plays so nicely with others and can often be very easily serialized and deserialized to fit your needs. Time conversion · String conversion · Number conversion · Network · Bandwidth · XPath. For those rare occurrences when you do need to parse the query string on the front end, there are numerous ways to parse a query string into an object with each parameter being a property of that object. It is compatible with ASCII encoding because it was designed the same as ASCII binary value. It hides the half-dozen lines of code needed to do output, and also allows us to use undocumented options and instanceof ugliness to deal with different JDK implementations. Forcing an encoding. String-valued functions return NULL if the length of the result would be greater than the value of the max_allowed_packet system variable. To convert the image into a base64 string using JavaScript, use the FileReader API. Simple and Fast!. 1040 through 6. To encode a string, calls the encode() method: Base64. charCodeAt and String. In this well-commented example we convert an image to base64 encoded string, and re-generate a copy of the image from the base64 encoded string. Script for encoding : Option Explicit dim oEncoder, oFilesToEncode, file, sDest dim sFileOut, oFile. The thread topic is 'how can I convert base64 decode a string to text in javascript file', so I will answer that question: The function atob decodes base64. btoa() - Encodes a string in base64 format. Decode Base64 String to Image. Useful Links Quick Start Devices Download Documentation Source Code. Alternatively, you can compute the two code units yourself and use Unicode escape sequences. Choose "delimit with %" to escape everything. Decoding Base64 Strings with Node. encoding and errors guide pickle with decoding 8-bit string instances pickled by. Javascript itself doesn't provide native methods to deal with it, unlike PHP (our beautiful server side language) which offers the htmlentities, html_entity_decode and html_entity_encode functions ready to use. Solution #2 - JavaScript's UTF-16 => UTF-8 => base64. atob() decodes to bytes, which is compatible to browser built-in atob() (Which is absent in node. Obfuscating JavaScript files manually one by one can be an irksome and time consuming process. A string is a sequence of one or more characters that may consist of letters, numbers, or symbols. This is very helpful when sending Image files or other binary files to Web server using Http post. PHP json_decode() function json_decode() function takes a JSON encoded string and converts it into actual PHP value, but this function works only with UTF-8 encoded strings. Base58Check encoding is also used for encoding ECDSA private keys in the wallet import format. Just paste base64 encoded data and press "decode from base64" button. If for any reason we need to decode an URL-- for example with the doc. For some reason, my old method using charCodeAt(i) stopped working, showing some weir characters when opening the file. Use decodeURI() or decodeURIComponent() instead. Please see XSS_(Cross_Site_Scripting)_Prevention_Cheat_Sheet for more information. In this article, you will find 3 ways to strip the html tags from a string in Javascript. Decoding to SAML from encoded XML String. Choose "delimit with %" to escape everything. raw_decode (s) ¶ Decode a JSON document from s (a str or unicode beginning with a JSON document) and return a 2-tuple of the Python representation and the index in s where the document ended. There is a decodeURI method as well, to take an encoded string and produce a decoded version: These methods have been in JavaScript since EMCAScript 3, I just never knew about them until a few days ago. About this tool. URL Encode and Decode Tool. There are some reserved single character escape sequences for use in strings: \b: backspace (U+0008 BACKSPACE). Stream Analytics and JavaScript type conversion. URL Encoding replaces “unsafe” characters with ‘%’ followed by their hex equivalent. Sometimes developers use custom functions. Base64 is a generic encoding schemes that encode binary data by treating it numerically and translating it into a base 64 representation. A simple solution is to visit a website that offers percent encoding conversion for free. com About ROT13 ↓. cargo2lagos. UTF8 can represent all existing characters in the world. The Barcode Scanner ASCII String Decoder is a software application that decodes and reveals hidden, non-printable ASCII characters and commands from keyboard emulation devices, such as USB Barcode Scanners. I have found a bug when decoding an empty object, it is interpreted as an empty array, at least that is what shows on encode(). json file is created in the example source code. Converts the name to a valid XML name. NET Forums / General ASP. JavaScript Obfuscator Desktop provides all the features you need to scramble and protect JavaScript code. Online tool for html encoding a string. If you'd like to have the URL Decoder/Encoder for offline use, just view source and save to your hard drive. MIME Base64 encoding is the most common, and is based on the RFC 1420 specification. in has a global Alexa ranking of 1592605 and ranked 415472 in India. Base 64 is a common encoding accepted by a variety of tools that cannot accept binary data. NET / HTML, CSS and JavaScript / Javascript Encode String Javascript Encode String [Answered] RSS 6 replies. This is different from how the Unicode Standard defines "code unit". HtmlEncode, HtmlDecode. How to URL Encode a String in Golang Rajeev Singh 3 mins. The claims in a JWT are encoded as a JSON object that is digitally signed using JSON Web Signature (JWS). We then call the AsciiEncoding GetString to convert our byte array to a string. 8, and (4) Netscape 7. Encode and decode strings: Base64, URL, XML, JavaScript. Encode and Decode a VB script Attached scripts can encode and decode a VB script file. This isn't very useful if you need to access certain variables in said query string. It takes the String to escape as a parameter and returns the JavaScript-escaped String. See Connection String Options for a full description of these options. a) Pick the first character from source string. JavaScript can encode a regular string via the Escape Method, and decode an encoded string via the Unescape Method. It also uses a = character at the end of a string to signify whether the last character is a single or double byte. It is fully compatible with UTF-8 encoding. Switch to Unit Tests. Quoting the ECMAScript specification, Sect. As a result, implementing an interface once can make a type useful in multiple encodings. HtmlEncode, HtmlDecode. If you write an HTML document you must be sure to escape all values you put in it else you could obtain an invalid document. Yep, they're normally scanned by someone with a smartphone ,but thanks to jsqrcode, we can achieve the scanning process without a camera and decode the information from plain (PNG or JPEG) images (in base64 format to be more specific and to increase accuracy) in case you ever. Again, if the text string is not passed to the program on the command line, the program will prompt. This is very helpful when sending Image files or other binary files to Web server using Http post. Encode a string to Base64 in javascript - These encoding and decoding methods with the exception of the hexadecimal one into a modular format for cross-platform or browser compatibility. Once you get the basics of Buffer and encoding, you can use your knowledge of the File System module to encode files to base64 strings. Encode Decode String using Javascript. Don't forget to set the page encoding to UTF-8 (Content-Type meta tag). Handy for turning encoded JavaScript URLs from complete gibberish into readable gibberish. BSON extends the JSON model to provide additional data types, ordered fields, and to be efficient for encoding and decoding within different languages. This page should be useful to anyone who occasionally comes across a base64 string that they want to decode. The querystring. A geohash actually identifies a rectangular cell: at each level, each extra character identifies one of 32 sub-cells. This tool uses he to HTML-encode any string you enter in the ‘decoded’ field, or to decode any HTML-encoded string you enter in the ‘encoded’ field. XML Escape / Unescape. Currently all the base64 decoders in javascript are for strings, not suitable for binary data, the common example is if you uses a canvas element and get their base64 representation ( canvas. Basically, JavaScript uses code units rather than code points. 1beta15 # # nph-proxy. Javascript Base64 UTF8 for the Browser / Server. For either of the following examples, you would enter only the highlighted code:. This method encodes strings. If the input is a Unicode string, then non-ASCII Unicode characters will be converted to the Unicode escape-sequences %uXXXX. Type the character / String in the below given field. Remove last character from string javascript admin October 14, 2018 December 9, 2018 0 During the work, sometimes we need to delete the last character in the javascript string. The string encodes to slightly different values with the standard and URL base64 encoders (trailing + vs -) but they both decode to the original string as desired. js, while less. URL Encoding is used when placing text in a query string to avoid it being confused with the URL itself. You can use text strings as literal values or assign them to a variable. Use this Certificate Decoder to decode your PEM encoded SSL certificate and verify that it contains the correct information. Decode Base64 strings with Chrome? Surprised? But yes, this is totally possible. The encoding argument can be used if the input is a string that's not utf8. greyed:hover. I want to convert a base64 string into a byte array with UTF-8 encoding, I am trying the following code in C#: byte [] byteArray= System. 8, and (4) Netscape 7. Encode or decode strings to and from base64. 8, MySQL supports a native JSON data type defined by RFC 7159 that enables efficient access to data in JSON (JavaScript Object Notation) documents. 9 and is hosted in India. Decode Base64 to file using the free online decoder, which allows you to preview files directly in the browser, as well as download them, get the hex dump for any binary data, and get summary information about the original file. Cryptojs is very popular library which is used to convert string data into encrypted text and vise versa. The first method signature has no arguments, so it’ll just return the HTML within that element. To convert the image into a base64 string using JavaScript, use the FileReader API. The escape function returns the hexadecimal encoding of an argument in the ISO Latin character set. It's not too often that a query string needs to be parsed with JavaScript, but that's definitely not to say that it never happens. A JavaScript string’s length is the number of code units it contains. This can be used to decode a JSON document from a string that may have extraneous data at the end. RequestPayer — (String) Confirms that the requester knows that she or he will be charged for the request. Previous: Write a JavaScript function to convert ASCII to Hexadecimal format. Base64 Decode. A data compression apparatus for encoding data and for compressing the encoded data comprises: a grammar rule 12 for a tree local language in which data are represented by a labelled tree structure; an encoder 11 for reading a document written in the tree local language, for dividing the document into a structure part and contents, and for. Not just “possible” it is extremely easily possible! Copy paste the Base64 encoded string to your Omnibox (addressbar) along with a small piece of code, voila! you have it decoded infront of you! Before we start. Arabic, Hebrew) ثم نفس سقطت وبالتحديد،, جزيرتي باستخدام أن دنو. Most server side languages have this functionality built into them but Javascript has escape, encodeURIComponent, encodeURI, unescape, decodeURIComponent and decodeURI functions which are aimed at making strings portable and for encoding URIs and URI parameters but there is no function for HTML encoding. In any case, feel free to. stringify() method produces a URL query string from a given obj by iterating through the object's "own properties". Convert text into a base64 encoded string using this free online base64 encoder utility. My recent work at Mozilla has me creating an OAuth-like authentication transaction between Bugzilla and Phabricator. For example, the following are all invalid JSON strings: "{test: 1}" (test does not have double quotes around it). However, if your data contains HTML, there are certain things that you need to do to keep the browser happy when using your JSON data within Javascript. ArrayBuffer and views are a part of ECMA standard, a part of JavaScript. Recently I had a Javascript application that needed to parse the query parameters that were passed to it in the URL. The hack above. To save your work, select the text and copy it to an editor or email it to yourself. In this article, we discussed and saw how to handle JSON encode and decode. Add dynamic behavior, store information, and handle requests and responses. Working with JSON within Web Services recently has become the latest and greatest simply because it plays so nicely with others and can often be very easily serialized and deserialized to fit your needs. Once you get the basics of Buffer and encoding, you can use your knowledge of the File System module to encode files to base64 strings. This article explains JavaScript engine optimization pipeline trade-offs, and describes how engines such as V8 speed up accesses to prototype properties. Start with HTML, CSS, JavaScript, SQL, Python, Data Science, and more. See the Pen JavaScript Convert Hexadecimal to ASCII format - string-ex-28 by w3resource (@w3resource) on CodePen. lua”)();– one-time load routines. Encoding and decoding a string in Base64 with JavaScript can be quite handy. SMS PDU's (Packet Data Unit) are the encoded SMS messages that are sent over the GSM network. The first parameter is the data in Base64 and second parameter is "base64". Base64 is a part of a group of binary-to-text encoding schemes which represent binary data in an ASCII string format by translating it into a radix-64 format. This method takes a string, which is encoded by escape() method, and decodes it. JSON (JavaScript Object Notation) is a lightweight data-interchange format. The eval() function evaluates or executes an given argument. Node string encoding is all over the place. Note: this page does not call external programs, such as a PHP script. 2 or better, so it doesn't work in Opera 3. new __type (encoding?: string): __type; Defined in node_modules/@types. A string is a series of bytes. The escape function returns the hexadecimal encoding of an argument in the ISO Latin character set. So, in the English language, vowels would be used more than the letter 'z', and would get shorter codes. You can read more about this topic on the Wikipedia article about percent encoding. It'll translate whatever's in the filled box into whatever's in the blank box. Type the character / String in the below given field. Tags typically come in pairs, an "opening" one to mark the beginning and a "closing" one to. Converts a JSON-encoded string to a JavaScript variable. RSA and ECC in JavaScript The jsbn library is a fast, portable implementation of large-number math in pure JavaScript, enabling public-key crypto and other applications on desktop and mobile browsers. The application is compatible with Windows 7 and greater including Windows 10. * * This implementation follows the example of David Flanagan's book * "Java In A Nutshell", and converts a byte array into a String * of hex characters. Seeing as JavaScript has 16-bit strings, I packed two bytes per character. Value Description All transactions: sale: Transaction used to withdraw a specific amount of money from a payment card or bank account: sale-auth: Sale transaction that req. Interviewers may ask you to write different ways to reverse a string, or they may ask you to reverse a string without using in-built methods, or they may even ask you to reverse a string using recursion. Sometimes developers use custom functions. Here’s an implementation of a method that converts a string to an MD5 hash, which is a 32-character string of hexadecimal numbers. First, some very basics about string encoding. Stream Analytics and JavaScript type conversion. "{'test': 1}" ('test' is using single quotes instead of double quotes). Arabic, Hebrew) ثم نفس سقطت وبالتحديد،, جزيرتي باستخدام أن دنو. This includes things like HTTP basic authentication passwords. JavaScript Obfuscator Desktop provides all the features you need to scramble and protect JavaScript code. js is a well-tested UTF-8 encoder/decoder written in JavaScript. How do I declare the character encoding of a CSS style sheet?. May 24, 2015 — by Jan-Philip Gehrcke For an AngularJS-based web application I am currently working on, I want to put arbitrary text information into a URL, send it to the client, and have it decoded by the browser. NET web forms. Course Topics – ASQ Learning Institute. cx and many more. Encode a string to Base64 in javascript - These encoding and decoding methods with the exception of the hexadecimal one into a modular format for cross-platform or browser compatibility. Works well for encoding input from text fields straight into html using jQuery and this. Also, JavaScript objects are less limited in terms of types passed to values, so they can use functions as values. 1 value as an octet string. " This allows JSON supersets. This can be easily achieved using the JavaScript built-in escape() and unescape() methods. The Distinguished Encoding Rules for ASN. 0 provide Html encode and decode feature using following Namespace and class. Use this Javascript to encode decode UTF-8 data. Compatible with nodejs (npm install @mapbox/polyline and the browser (copy src/polyline. To prevent trailing/leading whitespace from being converted to text nodes you can pass the HTML string through jQuery. An invocation of this method has exactly the same effect as invoking decode(src. The following output is an example of the information that this command strings returns. You might also like the online base64_encode function. There are some reserved single character escape sequences for use in strings: \b: backspace (U+0008 BACKSPACE). #!/usr/bin/perl # # CGIProxy 2. JavaScript Object Notation (JSON) is a way of representing data structures in a “human-readable” form that can be used to exchange information between two different applications. Encode HTML, JavaScript, and URL Query Strings In ASP. UTF-8 is a variable-length character encoding for Unicode. Analyze your JSON string as you type with an online Javascript parser, featuring tree view and syntax highlighting. Welcome to PDF manual search engine,which supports files download. DER is defined in Section 8. This tool uses he to HTML-encode any string you enter in the ‘decoded’ field, or to decode any HTML-encoded string you enter in the ‘encoded’ field. This tool includes php string manipulation functions like: String Length, Reversing, Word Count, Character count, Splitting, Show Hidden Characters,Lower and Upper Case. The weakness of JSON and more generally JavaScript with regards to dates (lack of proper globalization for example) has been and continues to be a pain point for the industry, not a design strength. Convert Base64 string to String In order to convert a Base64 string back to the original string, use FromBase64String(). If they were all near each other numerically, then it would be some other encoding (which it isn’t). Uses case samples: If you write an XML document you must be sure to escape all values you put in it else you could obtain an invalid document. The example syntax can be used in any ASP. decode('base64-string');. For example, if you were writing a forum web app, you should absolutely be paranoid about what your users are typing into your site. Seeing as JavaScript has 16-bit strings, I packed two bytes per character. For some reason, my old method using charCodeAt(i) stopped working, showing some weir characters when opening the file. Encoding and decoding a string in Base64 with JavaScript can be quite handy. Programming tips, tools, and projects from our developer community. Previous: Write a JavaScript function to convert ASCII to Hexadecimal format. You can use text strings as literal values or assign them to a variable. Simple and Fast!. NET is the static String. text() which can be used in this scenarios. Note: Because there is no universally agreed-upon specification for param strings, it is not possible to encode complex data structures using this method in a manner that works ideally across all languages supporting such input. Escapes or unescapes a JavaScript string removing traces of offending characters that could prevent interpretation. stringify() to convert it into a string. Use the online tool from above to either encode or decode a string of text. The same rule applies to the opposite direction. JavaScript 测验 W3School 简体中文版提供的内容仅用于培训和测试,不保证内容的正确性。 通过使用本站内容随之而来的风险与本站无关。. json file and how to parse a json file content to a JavaScript object array. Defined in node_modules/@types/node/index. x and below, Netscape 3 and below, and IE 3 and below. We’ve used this to handle 10s of thousands of transmissions successfully. atob() - Decodes a base64 encoded string use javascript atob to decode base64 strings See also: JavaScript btoa. Convert Base64 string to String In order to convert a Base64 string back to the original string, use FromBase64String(). We now tab-complete properties on variables and parameters on cmdlets. Below i will show you some methods and the benchmark results. Expression's are similar to JavaScript functions, i. stringify() method converts a JavaScript object or value to a JSON string, optionally replacing values if a replacer function is specified or optionally including only the specified properties if a replacer array is specified. stringify(student) takes the object and converts it into a string. Opening library documentation failed. 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. The file format, as it is used in Microsoft Excel, has become a pseudo standard throughout the industry, even among non-Microsoft platforms. This filter is mostly useful for debugging. Easy to use for debugging PHP scripts, publishing projects to remote servers through FTP, WebDAV, CVS. Escapes or unescapes an XML file removing traces of offending characters that could be wrongfully interpreted as markup. The result is a single line, with standard ASCII characters, that can be pasted directly into your source code. It's in no way meant to be a secure encryption method, but it is extremely useful for writing obfuscated strings to either a document (your webpage) or a cookie file without needing to worry about quotes or characters. Decoding Base64 Strings with Node. Base64 Decode Base64 Encode Image to Base64 Base64 to Image. Another alternative would be to fold two characters at a time. Just enter the command and the intervals it should be executed on - this tool will create a line in crontab syntax that will do the work for you. Verify that you have JavaScript enabled in your browser. Net Core is open source so we can see the actual code of system level classes which was not possible earlier. The following characters are reserved in XML and must be replaced with their corresponding XML entities:. At least not any more than strings are sequences of numbers or numbers sequences of Booleans. You can encrypt and decrypt string, forms data or any header parameters. I need to write a function that "packs" an array of bytes (integers between 0 and 255) into a string. These header lines are sent by the client in a HTTP protocol transaction. It’s not too often that a query string needs to be parsed with JavaScript, but that’s definitely not to say that it never happens. HtmlEncode, HtmlDecode. Online tools for encoding and decoding a string. Anyway, here is my fix:. public byte[] getBytes(String charsetName) Encodes this String into a sequence of bytes using the named charset, storing the result into a new byte array. ('use javascript btoa to encode data in. There is a decodeURI method as well, to take an encoded string and produce a decoded version: These methods have been in JavaScript since EMCAScript 3, I just never knew about them until a few days ago. Opening library documentation failed. This is the snippet URL Encoder and Decoder for VB on FreeVBCode. ASPJSON is a free to use project for generating and reading JSON data into a classic ASP object. If you're working with JSON (JavaScript Object Notation) and either need to convert a JSON string to array or object and loop through it or vice-versa, take an array or object and convert it to a JSON string to return, both can be done in PHP or JavaScript.