Home: go to the homepage U+FF00 to U+FFEF Halfwidth and Fullwidth Forms
Glyph for U+FFED
Source: Noto CJK

U+FFED Halfwidth Black Square

U+FFED was added to Unicode in version 1.1 (1993). It belongs to the block U+FF00 to U+FFEF Halfwidth and Fullwidth Forms in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Other Symbol and is commonly used, that is, in no specific script.

The glyph is a Narrow composition of the glyph Glyph for U+25A0 Black Square. It has a Halfwidth East Asian Width. In bidirectional context it acts as Other Neutral and is not mirrored. The glyph can, under circumstances, be confused with 1 other glyphs. In text U+FFED behaves as Alphabetic regarding line breaks. It has type Other for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

Halfwidth and Fullwidth Forms is the name of a Unicode block U+FF00–FFEF, provided so that older encodings containing both halfwidth and fullwidth characters can have lossless translation to/from Unicode. It is the second-to-last block of the Basic Multilingual Plane, followed only by the short Specials block at U+FFF0–FFFF. Its block name in Unicode 1.0 was Halfwidth and Fullwidth Variants.

Range U+FF01–FF5E reproduces the characters of ASCII 21 to 7E as fullwidth forms. U+FF00 does not correspond to a fullwidth ASCII 20 (space character), since that role is already fulfilled by U+3000 "ideographic space".

Range U+FF61–FF9F encodes halfwidth forms of katakana and related punctuation in a transposition of A1 to DF in the JIS X 0201 encoding – see half-width kana.

The range U+FFA0–FFDC encodes halfwidth forms of compatibility jamo characters for Hangul, in a transposition of their 1974 standard layout. It is used in the mapping of some IBM encodings for Korean, such as IBM code page 933, which allows the use of the Shift Out and Shift In characters to shift to a double-byte character set. Since the double-byte character set could contain compatibility jamo, halfwidth variants are needed to provide round-trip compatibility.

Range U+FFE0–FFEE includes fullwidth and halfwidth symbols.


System Representation
UTF-32 00 00 FF ED
URL-Quoted %EF%BF%AD
HTML hex reference ■
Wrong windows-1252 Mojibake ï¿­

Related Characters



Complete Record

Property Value
Age 1.1 (1993)
Unicode 1 Name
Block Halfwidth and Fullwidth Forms
General Category Other Symbol
Script Common
Bidirectional Category Other Neutral
Combining Class Not Reordered
Decomposition Type Narrow
Decomposition Mapping Glyph for U+25A0 Black Square
Simple Lowercase Mapping Glyph for U+FFED Halfwidth Black Square
Lowercase Mapping Glyph for U+FFED Halfwidth Black Square
Simple Uppercase Mapping Glyph for U+FFED Halfwidth Black Square
Uppercase Mapping Glyph for U+FFED Halfwidth Black Square
Simple Titlecase Mapping Glyph for U+FFED Halfwidth Black Square
Titlecase Mapping Glyph for U+FFED Halfwidth Black Square
Case Folding Glyph for U+FFED Halfwidth Black Square
ASCII Hex Digit
Bidi Control
Bidi Mirrored
Composition Exclusion
Case Ignorable
Changes When Casefolded
Changes When Casemapped
Changes When NFKC Casefolded
Changes When Lowercased
Changes When Titlecased
Changes When Uppercased
Full Composition Exclusion
Default Ignorable Code Point
Emoji Modifier Base
Emoji Component
Emoji Modifier
Emoji Presentation
Extended Pictographic
FC NFKC Closure Glyph for U+FFED Halfwidth Black Square
Grapheme Cluster Break Any
Grapheme Base
Grapheme Extend
Grapheme Link
Hex Digit
ID Continue
ID Start
IDS Binary Operator
IDS Trinary Operator and
ID_Compat_Math_Continue 0
ID_Compat_Math_Start 0
InCB None
Indic Mantra Category
Indic Positional Category NA
Indic Syllabic Category Other
Jamo Short Name
Join Control
Logical Order Exception
Noncharacter Code Point
NFC Quick Check Yes
NFD Quick Check Yes
NFKC Casefold Glyph for U+25A0 Black Square
NFKC Quick Check No
NFKC_SCF Glyph for U+25A0 Black Square
NFKD Quick Check No
Other Alphabetic
Other Default Ignorable Code Point
Other Grapheme Extend
Other ID Continue
Other ID Start
Other Lowercase
Other Math
Other Uppercase
Prepended Concatenation Mark
Pattern Syntax
Pattern White Space
Quotation Mark
Regional Indicator
Sentence Break Other
Soft Dotted
Sentence Terminal
Terminal Punctuation
Unified Ideograph
Variation Selector
Word Break Other
White Space
XID Continue
XID Start
Expands On NFC
Expands On NFD
Expands On NFKC
Expands On NFKD
Bidi Paired Bracket Glyph for U+FFED Halfwidth Black Square
Bidi Paired Bracket Type None
East Asian Width Halfwidth
Hangul Syllable Type Not Applicable
ISO 10646 Comment
Joining Group No_Joining_Group
Joining Type Non Joining
Line Break Alphabetic
Numeric Type None
Numeric Value not a number
Simple Case Folding Glyph for U+FFED Halfwidth Black Square
Script Extension
Vertical Orientation R