Shift JIS
Shift JIS (Shift Japanese Industrial Standards, also SJIS, MIME name Shift_JIS, known as PCK in Solaris contexts) is a character encoding for the Japanese language, originally developed by the Japanese company ASCII Corporation in conjunction with Microsoft and standardized as JIS X 0208 Appendix 1.
| MIME / IANA | Shift_JIS |
|---|---|
| Alias(es) | MS_Kanji, PCK |
| Language(s) | Primarily Japanese, but also supporting English, Russian, Bulgarian, Greek |
| Standard | JIS X 0208:1997 Appendix 1 |
| Classification | Extended ISO 646, variable-width encoding, CJK encoding |
| Extends | JIS X 0201 8-bit format |
| Transforms / Encodes | JIS X 0208 |
| Succeeded by | Shift_JIS-2004 (JIS) Windows-31J (web) |
Shift JIS is based on character sets defined within JIS standards JIS X 0201:1997 (for the single-byte characters) and JIS X 0208:1997 (for the double-byte characters).
As of February 2024, 0.3% of surveyed web pages used Shift JIS (actually decoded as its superset Windows-31J encoding), a decline from 1.3% in July 2014. Shift JIS is the second-most declared character encoding for Japanese websites, used by 5.3% of sites in the .jp domain. UTF-8 is used by 94.7% of Japanese websites.