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Html encode online

HTML encoder/decoder

Use this online free HTML Encoder Tool to convert all the applicable characters to their corresponding HTML entities. The tool, also, allows you to decode the encoded characters and to convert the HTML code to JavaScript Unicode string.

HTML (Hypertext Markup Language) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.

Web browsers receive HTML documents from a web server or from local storage and render the documents into multimedia web pages. HTML describes the structure of a web page semantically and originally included cues for the appearance of the document.

HTML has been in use since 1991, but HTML 4.0 was the first standardized version where international characters were given reasonably complete treatment. When an HTML document includes special characters outside the range of seven-bit ASCII, there are two aspects should be taken into consideration: the information’s integrity, and universal browser display. (Wikipedia)

ASCII stands for American Standard Code for Information Interchange, is a character encoding standard for electronic communication. ASCII is the most common character set or character encoding in use on computers and the most widely used character set for encoding text electronically. It was the first character encoding standard. 128 different characters are defined in it including English Letters, numbers and most common special characters. ASCII encoding supports only the upper- and lowercase Latin alphabet, the numbers 0-9, and some extra characters which make a total of 128 characters in all.

HTML Encoding means to convert the document that contains special characters outside the range of normal seven-bit ASCII into a standard form. The type of encoding used is sent to the server in the form of header information so that it can be easily and correctly parsed by the browsers.

Web encoding properly displays the text or string in the browsers. Whenever text is copied from a webpage, our browsers directly copy the decoded characters that could not be displayed in the browsers. Those ASCII characters must be encoded to properly display the output.

HTML character entity reference is a special set of characters (a code), which the browser displays as a special character or a symbol, corresponding to the entity reference code.

The general format of an HTML character entity reference is &, followed by some code, and then followed by; without any spaces in between.

The HTML Encoder tool allows you to encode and decode immediately.

HTML Encode

HTML character encoder converts all the ASCII characters to their HTML entities. Every character has a specific meaning and every converted entity code conveys the original message of that character.

An HTML entity is a piece of text («string») that begins with an ampersand (&) and ends with a semicolon (;). Entities are frequently used to display reserved characters (which would otherwise be interpreted as HTML code), and invisible characters (like non-breaking spaces). You can also use them in place of other characters that are difficult to type with a standard keyboard.

HTML has a set of special characters that browsers recognize as part of the HTML language itself. For example, less-then , you should use «>»

  • Instead of &, you should use «&»
  • Another reason to use the HTML Encoder to quickly output special characters not readily available on our keyboards. One such character that is used quite often is the copyright symbol or ©. The character entity reference code for © is «©».

    So, our HTML Encoder can help you to quickly convert the characters and get the equivalent HTML entities.

    Encode and decode Html

    Html encoding / decoding

    Additional features and topics

    Html Encode

    HTML Encoding means to convert the document that contains special characters outside the range of normal seven-bit ASCII into a standard form. The type of encoding used is sent to the server in form of header information so that it can be easily and correctly parsed by the browsers.

    HTML encoding makes sure that text is displayed correctly in the browser and not interpreted by the browser as HTML. For example, if a text string contains a less than sign 9( ), the browser would interpret these characters as the opening or closing bracket of an HTML tag. When the character are HTML encoded, they are converted to the string which causes the browser to display the less than sign and greater than sign correctly. Various encodings are used since the computers were born. Even common users have probably met different code page encoding problems that caused website content or an email message to be unreadable, especially if not written in English. Other encodings exist to enable transfer of binary data through text -based protocols that use only a limited set of characters.

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    HTML Encode converts various characters that can be misinterpreted as HTML formatting to their HTML entity representation.

    Online HTML Encode: HTML Encode will be encode HTML and is way to hide HTML text from prying eyes. Countwordsfree HTML Encoder is an online tool that converts HTML code into JavaScript Unicode string which means the text looks scrambled when your source code is viewed, but when executed as a web page, appears to be normal.

    When you encode text, you are not protecting your HTML code, but it does do a great job as a deterrent to those that would otherwise attempt to view your code in passing. Chances are, they will just move on.

    HTML DECODE: HTML Decoding is an opposite of encoding process. in decoding process, the specially encoded characters are converted back to their original form. it decodes a string that contains HTML numeric character references and returns the decoded string. HTML Decoders consists of several tools that allow you to decode data using various methods. Countwordsfree implementation supports both the text string input and the file input. If the data you want to decode are in the form of a short string recommend you to use a file as an input. On the other hand for larger input data we recommend you to use a file as an input. On the output you are given the result in the form of a text or a hex dump, depending on the contents of the output, as well as in the form of a file that you can download. In a case of large output, the plain text output or the hex dump output may be truncated, the file output is always complete.

    Tags Encoding: If you create a website, it is good practice to declare the encoding. Properly encoded web pages declare the encoding to a browser through a tag in the header. Without this tag, a browser may not know to switch to the proper encoding and characters may be displayed as gibberish.

    Tags Encoding is the process of translating the information stored on a tag from a specific encoding to another one, e.g from binary format to GID-96. This process is very important especially for open loop systems.

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    Encode to URL encoded format

    Encode files into URL encoded format

    About

    Meet URL Decode and Encode, a simple online tool that does exactly what it says; decodes URL encoding and encodes into it quickly and easily. URL encode your data in a hassle-free way, or decode it into human-readable format.

    URL encoding, also known as percent-encoding, is a mechanism for encoding information in a Uniform Resource Identifier (URI) under certain circumstances. Although it is known as URL encoding it is, in fact, used more generally within the main Uniform Resource Identifier (URI) set, which includes both Uniform Resource Locator (URL) and Uniform Resource Name (URN). As such it is also used in the preparation of data of the «application/x-www-form-urlencoded» media type, as is often used in the submission of HTML form data in HTTP requests.

    Advanced options

    • Character set: Our website uses UTF-8 character set, your input data is transmitted in that format. Change this option if you want to convert it into another one before encoding. Note that in case of textual data the encoding scheme does not contain their character set, so you may have to specify the selected one during the decoding process. As for files a binary option is the default, which will omit any conversion; this is required for everything except plain text documents.
    • Newline separator: Unix and Windows systems uses different line break characters, prior encoding either variants will be replaced within your data to the selected option. At the files section this is partially irrelevant since they contain intended versions, but you can define which one to use for the encode each line separately and split lines into chunks functions.
    • Encode each line separately: Even newline characters are converted to their percent encoded forms. Use this option if you want to encode multiple independent data entries separated with line breaks. (*)
    • Split lines into chunks: The encoded data will be a continuous text without any whitespaces, check this option if you want to break it up into multiple lines. The applied character limit is defined in the MIME (RFC 2045) specification, which states that the encoded lines must be no more than 76 characters long. (*)
    • Live mode: When you turn on this option the entered data is encoded immediately with your browser’s built-in JavaScript functions — without sending any information to our servers. Currently this mode supports only the UTF-8 character set.

    (*) These options cannot be enabled simultaneously, since the resulting output would not be valid for the majority of applications.

    Safe and secure

    All communications with our servers are made through secure SSL encrypted connections (https). Uploaded files are deleted from our servers immediately after being processed, and the resulting downloadable file is deleted right after the first download attempt, or 15 minutes of inactivity. We do not keep or inspect the contents of the entered data or uploaded files in any way. Read our privacy policy below for more details.

    Our tool is free to use. From now you don’t have to download any software for such tasks.

    Details of the URL encoding

    Types of URI characters

    The characters allowed in a URI are either reserved or unreserved (or a percent character as part of a percent-encoding). Reserved characters are those characters that sometimes have special meaning. For example, forward slash characters are used to separate different parts of a URL (or more generally, a URI). Unreserved characters have no such meanings. Using percent-encoding, reserved characters are represented using special character sequences. The sets of reserved and unreserved characters and the circumstances under which certain reserved characters have special meaning have changed slightly with each revision of specifications that govern URIs and URI schemes.

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    URL Encode and Decode Tool

    Use the online tool from above to either encode or decode a string of text. For worldwide interoperability, URIs have to be encoded uniformly. To map the wide range of characters used worldwide into the 60 or so allowed characters in a URI, a two-step process is used:

    • Convert the character string into a sequence of bytes using the UTF-8 encoding
    • Convert each byte that is not an ASCII letter or digit to %HH, where HH is the hexadecimal value of the byte

    For example, the string: François ,would be encoded as: Fran%C3%A7ois

    (The «ç» is encoded in UTF-8 as two bytes C3 (hex) and A7 (hex), which are then written as the three characters «%c3» and «%a7» respectively.) This can make a URI rather long (up to 9 ASCII characters for a single Unicode character), but the intention is that browsers only need to display the decoded form, and many protocols can send UTF-8 without the %HH escaping.

    What is URL encoding?

    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 » % » followed by two hexadecimal digits. The two hexadecimal digits of the triplet(s) represent the numeric value of the replaced character.

    The term URL encoding is a bit inexact because the encoding procedure is not limited to URLs (Uniform Resource Locators), but can also be applied to any other URIs (Uniform Resource Identifiers) such as URNs (Uniform Resource Names). Therefore, the term percent-encoding should be preferred.

    Which Characters Are Allowed in a URL?

    The characters allowed in a URI are either reserved or unreserved (or a percent character as part of a percent-encoding). Reserved characters are those characters that sometimes have special meaning, while unreserved characters have no such meaning. Using percent-encoding, characters which otherwise would not be allowed are represented using allowed characters. The sets of reserved and unreserved characters and the circumstances under which certain reserved characters have special meaning have changed slightly with each revision of specifications that govern URIs and URI schemes.

    According to RFC 3986, the characters in a URL have to be taken from a defined set of unreserved and reserved ASCII characters. Any other characters are not allowed in a URL.

    The unreserved characters can be encoded, but should not be encoded. The unreserved characters are:

    A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9 — _ .

    The reserved characters have to be encoded only under certain circumstances. The reserved characters are:

    Encoding/Decoding a Piece of Text

    RFC 3986 does not define according to which character encoding table non-ASCII characters (e.g. the umlauts ä, ö, ü) should be encoded. As URL encoding involves a pair of hexadecimal digits and as a pair of hexadecimal digits is equivalent to 8 bits, it would theoretically be possible to use one of the 8-bit code pages for non-ASCII characters (e.g. ISO-8859-1 for umlauts).

    On the other hand, as many languages have their own 8-bit code page, handling all these different 8-bit code pages would be a quite cumbersome thing to do. Some languages do not even fit into an 8-bit code page (e.g. Chinese). Therefore, RFC 3629 proposes to use the UTF-8 character encoding table for non-ASCII characters. The following tool takes this into account and offers to choose between the ASCII character encoding table and the UTF-8 character encoding table. If you opt for the ASCII character encoding table, a warning message will pop up if the URL encoded/decoded text contains non-ASCII characters.

    When and why would you use URL encoding?

    When data that has been entered into HTML forms is submitted, the form field names and values are encoded and sent to the server in an HTTP request message using method GET or POST, or, historically, via email. The encoding used by default is based on a very early version of the general URI percent-encoding rules, with a number of modifications such as newline normalization and replacing spaces with » + » instead of » %20 «. The MIME type of data encoded this way is application/x-www-form-urlencoded , and it is currently defined (still in a very outdated manner) in the HTML and XForms specifications. In addition, the CGI specification contains rules for how web servers decode data of this type and make it available to applications.

    When sent in an HTTP GET request, application/x-www-form-urlencoded data is included in the query component of the request URI. When sent in an HTTP POST request or via email, the data is placed in the body of the message, and the name of the media type is included in the message’s Content-Type header.

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