U+FF67 "ｧ" Halfwidth Katakana Letter Small A Unicode Character

U+FF67 "ｧ" Halfwidth Katakana Letter Small A is a typographic variant used in East Asian computing environments, representing a halfwidth version of the fullwidth katakana character "ァ" (small A). It occupies the width of a single Latin character in fixed-width fonts, making it useful for text formatting where horizontal space is constrained, such as in legacy terminal displays or early digital systems. This character is part of the Halfwidth and Fullwidth Forms Unicode block and is typically employed to denote a shortened or subdued vowel sound in Japanese phonetics, often appearing in loanwords, onomatopoeia, or phonetic transcriptions alongside other halfwidth katakana characters.

General Properties

Code Point	U+FF67
Version Added	1.1
Name	Halfwidth Katakana Letter Small A
Block	Halfwidth and Fullwidth Forms
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Narrow
Decomposition Mapping	"ァ" U+30A1 Katakana Letter Small A

Encodings

HTML Decimal Encoding	ｧ
HTML Hex Encoding	ｧ
UTF-8 Encoding	0xEF 0xBD 0xA7
UTF-16 Encoding	0xFF67
UTF-32 Encoding	0x0000FF67
C/C++/Java Escape	\uff67

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Conditional Japanese Starter
East Asian Width	Halfwidth
Changes When NFKC Casefolded	Yes
NFKC Casefold	"ァ" U+30A1 Katakana Letter Small A
NFKC Simple Casefold	"ァ" U+30A1 Katakana Letter Small A
Script	Katakana
Script Extensions	Katakana
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Katakana
Sentence Break	OLetter