Fullwidth Exclamation Mark

U+FF01
BMP Unicode 1.1
Character
Decimal !
Hex !

Classification

Unicode properties assigned to this character by the Unicode Consortium. The codepoint is its unique numeric identifier. Category, block, and script determine how text systems render and process it.

Codepoint
U+FF01
Decimal
65281
Plane
BMP — Basic Multilingual Plane
Category
Other Punctuation (Po)
Script
Common
Bidi class
ON Other Neutral
East Asian Width
F Fullwidth

Looks Like (Confusables)

Characters that are visually similar — relevant for security, font design, and homoglyph detection.

Encodings & Escape Sequences

Every Unicode character can be represented in multiple ways depending on context. HTML entities let you embed it safely in web pages. UTF-8 bytes are what gets stored on disk and sent over the network. Escape sequences let you reference it in source code without pasting the raw glyph. All formats below refer to the same character — Fullwidth Exclamation Mark.

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Format Value
HTML Decimal
!
HTML Hex
!
UTF-8 Hex Bytes
EF BC 81
UTF-16 Hex Bytes
FF 01
UTF-32 Hex
0000FF01
CSS Escape
\FF01
JavaScript Escape
\uFF01
Python Escape
\uFF01
URL Encoded
%EF%BC%81
Have a string containing this character? Decode it to see every codepoint. UnicodeDecoder →

Normalization Forms

Unicode defines four normalization forms that affect how characters with diacritics, compatibility variants, and combining marks are represented. This character has a non-trivial normalization — the forms below differ from its codepoint. Mismatched normalization is the most common cause of failed string comparisons across systems.

NFC = Canonical Decomposition then Canonical Composition (preferred for storage) · NFD = Canonical Decomposition · NFKC/NFKD = Compatibility forms (fold variants like fi → fi)

Decomposition

This character can be broken down into a sequence of simpler Unicode codepoints. This is a compatibility decomposition — the character is a stylistic or semantic variant of its components, not an exact equivalent.