HTML meta charset Attribute (2023)

❮ HTML <meta> tag

(Video) HTML Meta Charset Attribute | Why We Must Use meta charset in HTML?

Definition and Usage

The charset attribute specifies the character encoding for the HTML document.

The HTML5 specification encourages web developers to use the UTF-8 character set, which covers almost all of the characters and symbols in the world!

(Video) HTML meta charset attribute | Why do we use meta charset="utf-8" | HTML5 Bangla Tutorial

Browser Support

Attribute
charset Yes Yes Yes Yes Yes

Syntax

<meta charset="character_set">

(Video) Meta Charset UTF-8 | Html Tutorial For Beginners | Html5 Meta Charset Attribute

Attribute Values

Value Description
character_set Specifies the character encoding for the HTML document. The HTML5 specification encourages web developers to use the UTF-8 character set!

❮ HTML <meta> tag


FAQs

Is meta charset UTF-8 needed? ›

Furthermore, most browsers use UTF-8 by default if no character encoding is specified. But because that's not guaranteed, it's better to just include a character encoding specification using the <meta> tag in your HTML file. There you have it.

How do I add UTF-8 in HTML? ›

The character encoding should be specified for every HTML page, either by using the charset parameter on the Content-Type HTTP response header (e.g.: Content-Type: text/html; charset=utf-8 ) and/or using the charset meta tag in the file.

Why UTF-8 is used in HTML? ›

The HTML5 Standard: Unicode UTF-8

Unicode enables processing, storage, and transport of text independent of platform and language. The default character encoding in HTML-5 is UTF-8.

Is meta charset necessary in HTML? ›

The short answer is NO, the charset tag is not required, but recommended.

Should I use UTF-8 or UTF-16? ›

There is a simple rule of thumb on what Unicode Transformation Form (UTF) to use: - utf-8 for storage and comunication - utf-16 for data processing - you might go with utf-32 if most of the platform API you use is utf-32 (common in the UNIX world).

Why is UTF-8 so popular? ›

UTF-8 is currently the most popular encoding method on the internet because it can efficiently store text containing any character. UTF-16 is another encoding method, but is less efficient for storing text files (except for those written in certain non-English languages).

How do I change my encoding to UTF-8? ›

UTF-8 Encoding in Notepad (Windows)
  1. Open your CSV file in Notepad.
  2. Click File in the top-left corner of your screen.
  3. Click Save as...
  4. In the dialog which appears, select the following options: In the "Save as type" drop-down, select All Files. In the "Encoding" drop-down, select UTF-8. ...
  5. Click Save.

Is UTF-8 ASCII or Unicode? ›

UTF-8 encodes Unicode characters into a sequence of 8-bit bytes. The standard has a capacity for over a million distinct codepoints and is a superset of all characters in widespread use today. By comparison, ASCII (American Standard Code for Information Interchange) includes 128 character codes.

Is UTF-8 the same as UTF-8? ›

It's definitely UTF-8. UTF8 is only used commonly in places where a dash is not allowed (programming language indentifiers) or because people are too lazy. Save this answer.

What UTF-8 stands for? ›

UTF-8 (UCS Transformation Format 8) is the World Wide Web's most common character encoding. Each character is represented by one to four bytes. UTF-8 is backward-compatible with ASCII and can represent any standard Unicode character.

Can UTF-8 handle all characters? ›

UTF-8 extends the ASCII character set to use 8-bit code points, which allows for up to 256 different characters. This means that UTF-8 can represent all of the printable ASCII characters, as well as the non-printable characters.

Can UTF-8 represent all characters? ›

Each UTF can represent any Unicode character that you need to represent. UTF-8 is based on 8-bit code units. Each character is encoded as 1 to 4 bytes. The first 128 Unicode code points are encoded as 1 byte in UTF-8.

What is the default meta charset? ›

The charset attribute specifies the character encoding for the HTML document. The HTML5 specification encourages web developers to use the UTF-8 character set, which covers almost all of the characters and symbols in the world!

Why is UTF-16 needed? ›

UTF-16 allows all of the basic multilingual plane (BMP) to be represented as single code units. Unicode code points beyond U+FFFF are represented by surrogate pairs. The interesting thing is that Java and Windows (and other systems that use UTF-16) all operate at the code unit level, not the Unicode code point level.

Which encoding is best for HTML? ›

Your Best Option: UTF-8

UTF-8 stands for Unicode Transformation Format 8-bit and has held the title of the most popular HTML character encoding since 2008.

Is UTF-8 outdated? ›

utf8 is currently an alias for utf8mb3 , but it is now deprecated as such, and utf8 is expected subsequently to become a reference to utf8mb4 . Beginning with MySQL 8.0.

Is UTF-8 still used? ›

UTF-8 is the dominant encoding for the World Wide Web (and internet technologies), accounting for 98.0% of all web pages, and up to 100.0% for many languages, as of 2022.

Is UTF-16 same as Unicode? ›

UTF-16 is an encoding of Unicode in which each character is composed of either one or two 16-bit elements. Unicode was originally designed as a pure 16-bit encoding, aimed at representing all modern scripts.

Is China a UTF-8? ›

Unicode/UTF-8 characters include: Chinese characters. any non-Latin scripts (Hebrew, Cyrillic, Japanese, etc.)

What characters are not allowed in UTF-8? ›

Yes. 0xC0, 0xC1, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF are invalid UTF-8 code units.

Should I always use UTF-8? ›

Introduction. The locale system's character set is always utf-8 . While it is possible to use other character sets for the locale system, utf-8 offers many benefits that other character sets lack, and has no known issues. For this reason, we only recommend utf-8 locales.

What is difference between UTF-8 and UTF-16? ›

The main difference between UTF-8, UTF-16, and UTF-32 character encoding is how many bytes it requires to represent a character in memory. UTF-8 uses a minimum of one byte, while UTF-16 uses a minimum of 2 bytes.

What is the difference between UTF-8 and UTF-32? ›

Efficiency. UTF-8 requires 8, 16, 24 or 32 bits (one to four bytes) to encode a Unicode character, UTF-16 requires either 16 or 32 bits to encode a character, and UTF-32 always requires 32 bits to encode a character.

Does UTF-8 cover all languages? ›

UTF-8 supports any unicode character, which pragmatically means any natural language (Coptic, Sinhala, Phonecian, Cherokee etc), as well as many non-spoken languages (Music notation, mathematical symbols, APL).

Does UTF-8 cover all Unicode? ›

UTF-8 is a character encoding - a way of converting from sequences of bytes to sequences of characters and vice versa. It covers the whole of the Unicode character set.

What is UTF-32 used for? ›

UTF-32 (32-bit Unicode Transformation Format) is a fixed-length encoding used to encode Unicode code points that uses exactly 32 bits (four bytes) per code point (but a number of leading bits must be zero as there are far fewer than 232 Unicode code points, needing actually only 21 bits).

Why does UTF-32 exist? ›

UTF-32 is a multiple of 16bit. Working with 32 bit quantities is much more common than working with 24 bit quantities and is usually better supported. It also helps keep each character 4-byte aligned (assuming the entire string is 4-byte aligned).

What UTF-8 in HTML? ›

UTF-8 stands for 8-bit Unicode Transformation Format. It's a character set with almost all known characters, punctuations, and symbols. UTF-8 includes tens of thousands of characters that are used world-wide. HTML5 uses UTF-8 as character encoding by default.

Why did UTF-8 replace the? ›

UTF-8 replaced the ASCII character-encoding standard because it can store a character in more than a single byte. This allowed us to represent a lot more character types, like emoji. What is the highest decimal value we can represent with a byte? 255.

Is UTF-8 a language? ›

UTF-8 is a variable-length encoding form of Unicode that preserves ASCII character code values transparently. This form is used as file code in Solaris Unicode locales. UTF-16 is a 16-bit encoding form of Unicode. In UTF-16, characters up to 65,535 are encoded as single 16-bit values.

Is ISO 8859 the same as UTF-8? ›

UTF-8 is a multibyte encoding that can represent any Unicode character. ISO 8859-1 is a single-byte encoding that can represent the first 256 Unicode characters. Both encode ASCII exactly the same way.

What is meta charset used for? ›

Meta Charset is what determines how text is transmitted and stored. This text data is usually converted to binary first and then there needs to be a kind of cipher that connects characters with their correct binary equivalents.

How do I know if my file is UTF-16 or UTF-8? ›

There are a few options you can use: check the content-type to see if it includes a charset parameter which would indicate the encoding (e.g. Content-Type: text/plain; charset=utf-16 ); check if the uploaded data has a BOM (the first few bytes in the file, which would map to the unicode character U+FEFF - 2 bytes for ...

Is UTF-8 most popular? ›

UTF-8 has been the most common encoding for the World Wide Web since 2008. As of November 2022, UTF-8 accounts for on average 98.0% of all web pages (and 990 of the top 1,000 highest ranked web pages, the next most popular encoding, ISO-8859-1, is used by 5 of those sites).

What is the difference between UTF-16 Be and UTF-16 LE? ›

UTF-16 uses code units that are two bytes long. There are three UTF-16 sub-flavors: BE - uses big-endian byte serialization (most significant byte first) LE - uses little-endian byte serialization (least significant byte first)

Why do hackers use HTML? ›

These HTML attachments host webpages on the victim's device instead of the public internet, which is a strategic way for hackers to avoid URL reputation checks. Malicious HTML attachments in these attacks use links, JavaScript, embedded images, HTML entities, and custom CSS to evade detection.

Do hackers use HTML? ›

As mentioned above, HTML and Javascript can be used when trying to hack from the client side of a web-based application. After you gain access to the web server, you might need to know PHP, Java, C# which are some examples of server-side programming languages.

What is the %20 in HTML? ›

A space is assigned number 32, which is 20 in hexadecimal. When you see “%20,” it represents a space in an encoded URL, for example, http://www.example.com/products%20and%20services.html.

Why do we use UTF-8 in Python? ›

UTF-8 is one of the most commonly used encodings, and Python often defaults to using it. UTF stands for “Unicode Transformation Format”, and the '8' means that 8-bit values are used in the encoding. (There are also UTF-16 and UTF-32 encodings, but they are less frequently used than UTF-8.)

Can UTF-8 support all characters? ›

UTF-8 supports any unicode character, which pragmatically means any natural language (Coptic, Sinhala, Phonecian, Cherokee etc), as well as many non-spoken languages (Music notation, mathematical symbols, APL). The stated objective of the Unicode consortium is to encompass all communications.

Which encoding is the best? ›

UTF-8 has been the most common encoding for the World Wide Web since 2008. As of December 2022, UTF-8 accounts for on average 98.0% of all web pages (and 989 of the top 1,000 highest ranked web pages, the next most popular encoding, ISO-8859-1, is used by 9 of those sites).

What is the difference between UTF-8 and UTF-8? ›

UTF-8 is a valid IANA character set name, whereas utf8 is not. It's not even a valid alias. it refers to an implementation-provided locale, where settings of language, territory, and codeset are implementation-defined.

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