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U+00FF CHARACTER

LATIN SMALL LETTER Y WITH DIAERESIS

Quick Facts

Unicode Name LATIN SMALL LETTER Y WITH DIAERESIS
Code Point U+00FF
Decimal Value 255
General Category Lowercase Letter (Ll) →
Unicode Block Latin-1 Supplement →
Script Latin →
Unicode Version Unicode 1.1 →
Unicode Plane Basic Multilingual Plane (BMP)

Byte Encodings

UTF-8 2 bytes C3 BF
UTF-16 Code Unit 00FF
UTF-32 4 bytes 000000FF
UTF-16BE / LE Byte Order
BE: 00 FF LE: FF 00
UTF-32BE / LE Byte Order
BE: 00 00 00 FF LE: FF 00 00 00

Developer Code Escapes

HTML Decimal ÿ
HTML Hexadecimal ÿ
HTML Named Entity ÿ
CSS Escape \0000FF
JavaScript (ES6) \u00FF
JavaScript (UTF-16) \u00FF
JSON Escape \u00FF
Python \u00FF
PHP "\u{FF}"
Java "\u00FF"
C / C++ "\u00FF"
Rust '\u{ff}'
URL Percent-Encoded %C3%BF

Normalization & Decomposition

Combining Class 0Not Reordered (Spacing)
Decomposition 0079 0308 canonical
NFC / NFD Forms NFD decomposes to constituent code points; NFC composes into this unified scalar.

Bidirectional Properties

Bidi Class LLeft-to-Right
Bidi Mirrored No

Case Mapping & Numeric Data

Uppercase Mapping Ÿ U+0178

Font Specimen & Rendering

Visual rendering of U+00FF across standard system font stacks. Rendering fidelity depends on installed OS font glyph coverage.

Sans-Serif System UI, Inter, Arial
ÿ
Context: A ÿ Z 123
Serif Georgia, Times, Cambria
ÿ
Context: A ÿ Z 123
Monospace Consolas, SF Mono, Courier
ÿ
Context: A ÿ Z 123
System Default Operating System Glyph Fallback
ÿ
Context: A ÿ Z 123

Names & Aliases

Official Name LATIN SMALL LETTER Y WITH DIAERESIS

The normative, immutable character identifier in the Unicode Character Database.

Identifier U+00FF

Related Characters & Collections