U+FF33 "Ｓ" Fullwidth Latin Capital Letter S Unicode Character
U+FF33 "Ｓ" Fullwidth Latin Capital Letter S is a typographic variant of the standard Latin capital letter S, specifically designed to occupy the same fixed width as CJK (Chinese, Japanese, and Korean) characters, allowing it to align properly in monospaced East Asian text environments. It belongs to the Halfwidth and Fullwidth Forms block, which was created to provide fullwidth counterparts for ASCII characters, enabling seamless integration of Latin letters into vertical or grid based layouts typical of Japanese, Chinese, and Korean scripts. Although visually identical to an uppercase S, this fullwidth version is distinct in its encoding and is primarily used for aesthetic or formatting purposes in digital typography, such as in menus, spreadsheets, or old computer terminals, where uniform character spacing is required.
General Properties
| Code Point | U+FF33 |
| Version Added | 1.1 |
| Name | Fullwidth Latin Capital Letter S |
| Block | Halfwidth and Fullwidth Forms |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Wide |
| Decomposition Mapping | "S" U+0053 Latin Capital Letter S |
Encodings
| HTML Decimal Encoding | Ｓ |
| HTML Hex Encoding | Ｓ |
| UTF-8 Encoding | 0xEF 0xBC 0xB3 |
| UTF-16 Encoding | 0xFF33 |
| UTF-32 Encoding | 0x0000FF33 |
| C/C++/Java Escape | \uff33 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Ideographic |
| East Asian Width | Fullwidth |
| Uppercase | Yes |
| Simple Lowercase Code Point | "ｓ" U+FF53 Fullwidth Latin Small Letter S |
| Lowercase Code Point | "ｓ" U+FF53 Fullwidth Latin Small Letter S |
| Simple Case Folding | "ｓ" U+FF53 Fullwidth Latin Small Letter S |
| Case Folding | "ｓ" U+FF53 Fullwidth Latin Small Letter S |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "s" U+0073 Latin Small Letter S |
| NFKC Simple Casefold | "s" U+0073 Latin Small Letter S |
| Script | Latin |
| Script Extensions | Latin |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |