Source: Noto Sans

U+FFFD Replacement Character

U+FFFD was added to Unicode in version 1.1 (1993). It belongs to the block U+FFF0 to U+FFFF Specials 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 not a composition. It has a Ambiguous East Asian Width. In bidirectional context it acts as Other Neutral and is not mirrored. In text U+FFFD behaves as Ambiguous (Alphabetic or Ideographic) regarding line breaks. It has type Other for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

Representations

System	Representation
Nº	65533
UTF-8	EF BF BD
UTF-16	FF FD
UTF-32	00 00 FF FD
URL-Quoted	%EF%BF%BD
HTML hex reference	�
Wrong windows-1252 Mojibake	ï¿½
AGL: Latin-5	uniFFFD

Elsewhere

Complete Record

Property	Value
Age	1.1 (1993)
Unicode Name	REPLACEMENT CHARACTER
Unicode 1 Name	—
Block	Specials
General Category	Other Symbol
Script	Common
Bidirectional Category	Other Neutral
Combining Class	Not Reordered
Decomposition Type	None
Decomposition Mapping	Replacement Character
Lowercase	✘
Simple Lowercase Mapping	Replacement Character
Lowercase Mapping	Replacement Character
Uppercase	✘
Simple Uppercase Mapping	Replacement Character
Uppercase Mapping	Replacement Character
Simple Titlecase Mapping	Replacement Character
Titlecase Mapping	Replacement Character
Case Folding	Replacement Character
ASCII Hex Digit	✘
Alphabetic	✘
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	✘
Cased	✘
Full Composition Exclusion	✘
Default Ignorable Code Point	✘
Dash	✘
Deprecated	✘
Diacritic	✘
Emoji Modifier Base	✘
Emoji Component	✘
Emoji Modifier	✘
Emoji Presentation	✘
Emoji	✘
Extender	✘
Extended Pictographic	✘
FC NFKC Closure	Replacement Character
Grapheme Cluster Break	Any
Grapheme Base	✔
Grapheme Extend	✘
Grapheme Link	✘
Hex Digit	✘
Hyphen	✘
ID Continue	✘
ID Start	✘
IDS Binary Operator	✘
IDS Trinary Operator and	✘
Ideographic	✘
Indic Mantra Category	—
Indic Positional Category	NA
Indic Syllabic Category	Other
Jamo Short Name	—
Join Control	✘
Logical Order Exception	✘
Math	✘
Noncharacter Code Point	✘
NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Casefold	Replacement Character
NFKC Quick Check	Yes
NFKD Quick Check	Yes
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	✘
Radical	✘
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	Replacement Character
Bidi Paired Bracket Type	None
East Asian Width	Ambiguous
Hangul Syllable Type	Not Applicable
ISO 10646 Comment	—
Joining Group	No_Joining_Group
Joining Type	Non Joining
Line Break	Ambiguous (Alphabetic or Ideographic)
Numeric Type	None
Numeric Value	not a number
Simple Case Folding	Replacement Character
Script Extension
Vertical Orientation	U