noun
Shift JIS; SJIS
A character encoding for Japanese that extends JIS X 0208; widely used in legacy Windows systems and web pages.
古いウェブサイトはシフトJISでエンコードされていることが多い。
Older websites are often encoded in Shift JIS.
このファイルはシフトJISなので、UTF-8に変換してください。
This file is in Shift JIS, so please convert it to UTF-8.
EUC-JP is another legacy Japanese encoding, mainly used on Unix systems, while Shift JIS was dominant on Windows.
From English 'Shift JIS', an abbreviation of 'Shift Japanese Industrial Standards'. The name reflects its method of shifting byte values to encode both single-byte and double-byte characters.