U+FFFD REPLACEMENT CHARACTER

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Decimal / Nº
65533
General Category
Script
Bidi Category
Other Neutral
East Asian Width
ambiguous
Combining Class
Not Reordered
Decomposition
not a composition

Character Details

The Unicode character U+FFFD, officially named REPLACEMENT CHARACTER, was introduced in Unicode version 1.1. It is part of the Specials block, which belongs to the Basic Multilingual plane.

Categorized technically as a Other Symbol, this character typically falls under the Common script. In terms of text layout and rendering, the glyph is not a composition and has ambiguous in East Asian typography. When placed in bidirectional text, it behaves as an Other Neutral character. Its visual representation remains not mirrored regardless of the reading direction.

Representations & Encodings

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65533 Copied!
UTF-8 EF BF BD Copied!
UTF-16 FF FD Copied!
UTF-32 00 00 FF FD Copied!
URL-Quoted %EF%BF%BD Copied!
HTML hex reference � Copied!
RFC 5137 \u'FFFD' Copied!
Bash and Zsh (inside echo -e) \uFFFD Copied!
C and C++ \ufffd Copied!
C# \ufffd Copied!
CSS \00FFFD Copied!
Excel =UNICHAR(65533) Copied!
Go \ufffd Copied!
JavaScript \uFFFD Copied!
Modern JavaScript (since ES6) \u{fffd} Copied!
JSON \uFFFD Copied!
Java \uFFFD Copied!
Lua \u{FFFD} Copied!
Matlab char(65533) Copied!
Perl \x{FFFD} Copied!
PHP \u{fffd} Copied!
PostgreSQL U&'\FFFD' Copied!
PowerShell `u{FFFD} Copied!
Python \ufffd Copied!
Ruby \u{fffd} Copied!
Rust \u{fffd} Copied!