The official name for the encoding is UTF-8, the spelling used in all Unicode Consortium documents. Most standards officially list it in … See more

UTF-8 encodes code points in one to four bytes, depending on the value of the code point. In the following table, the x characters are replaced by the bits of the code point: 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 annex called UTF-1 that provided a byte stream encoding of its See more

Some of the important features of this encoding are as follows:
• Backward compatibility: Backward compatibility with … See more

UTF-8 has been the most common encoding for the World Wide Web since 2008. As of May 2024 , UTF-8 is used by 98.2% of surveyed web sites. Although many pages only use … 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 See more

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