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UTF-8 is a variable-length character encoding standard used for electronic communication. Defined by the Unicode Standard, the name is derived from Unicode Transformation Format – 8-bit. UTF-8 is capable of encoding all 1,112,064 valid Unicode code points using one to four one-byte (8-bit) code units.
The HTML Standard is Unicode UTF-8. The default character set in HTML-4 (ISO-8859-1) were limited in size and not compatible in multilingual environments. The default character encoding in HTML-5 is UTF-8. HTML5 pages using a different character set than UTF-8 must specify this a <meta> tag:
Feb 18, 2022 · UTF-8 uses one to four units of eight bits, and UTF-16 uses one or two units of 16 bits, to cover the entire Unicode of 21 bits maximum. Units use prefixes so that character boundaries can be spotted, and more units mean more prefixes that occupy bits.
Apr 3, 2022 · UTF-8 is a character encoding system. It lets you represent characters as ASCII text, while still allowing for international characters, such as Chinese characters. As of the mid 2020s, UTF-8 is one of the most popular encoding systems.
Apr 3, 2024 · UTF-8 encodes a character into a binary string of one, two, three, or four bytes. UTF-16 encodes a Unicode character into a string of either two or four bytes. This distinction is evident from their names. In UTF-8, the smallest binary representation of a character is one byte, or eight bits.
UTF-8: The Final Piece of the Puzzle UTF-8 is an encoding system for Unicode. It can translate any Unicode character to a matching unique binary string, and can also translate the binary string back to a Unicode character. This is the meaning of “UTF”, or “Unicode Transformation Format.”
Jun 8, 2023 · 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.
Mar 13, 2009 · UTF-8 is another encoding, and has gained its popularity over other encodings due to a number of advantages. UTF-8 encodes each code point as a sequence of either 1, 2, 3 or 4 byte values. Code points in the ASCII range are encoded as a single byte value, leaving them fully compatible with ASCII.
Jun 14, 2024 · UTF-8 encodes each Unicode character as a variable number of 1 to 4 octets, where the number of octets depends on the integer value assigned to the Unicode character. It is an efficient encoding of Unicode documents that use mostly US-ASCII characters because it represents each character in the range U+0000 through U+007F as a single octet.
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