The official Internet Assigned Numbers Authority (IANA) code for the encoding is "UTF-8". All letters are upper-case, and the name is hyphenated. This spelling is used in all the Unicode Consortium documents relating … See more

UTF-8 encodes code points in one to four bytes, depending on the value of the code point. The x characters are replaced by the bits of the code … See more

The International Organization for Standardization (ISO) set out to compose a universal multi-byte character set in 1989. The draft ISO 10646 standard contained a non-required See more

Some of the important features of this encoding are as follows:
• Backward compatibility: Backward compatibility with ASCII and the enormous amount of software … See more

Many standards only support UTF-8, e.g. open JSON exchange requires it (without a byte order mark (BOM)). UTF-8 is also the recommendation from the WHATWG for HTML and See more

There are several current definitions of UTF-8 in various standards documents:
• RFC 3629 / STD 63 (2003), which establishes UTF-8 as a standard internet protocol element
• RFC 5198 defines UTF-8 NFC for Network Interchange (2008) See more

The following implementations show slight differences from the UTF-8 specification. They are incompatible with the UTF-8 specification and … See more