U+31FF— KATAKANA PHONETIC EXTENSIONS CHARACTER U+31FF
KATAKANA PHONETIC EXTENSIONS CHARACTER U+31FF is a standardized Katakana script character in the Katakana Phonetic Extensions block.
Font:
Size (88px):
ㇿ
KATAKANA PHONETIC EXTENSIONS CHARACTER U+31FF
U+31FF • Decimal 12799
PNG Background:
1-Click Multi-Language Developer Copy Palette (13 Formats)
Instant Clipboard ExportCharacter Glyph (Raw)
ㇿ
Unicode Codepoint (Hex)
U+31FF
Decimal Integer
12799
HTML Entity (Decimal)
ㇿ
HTML Entity (Hex)
ㇿ
JavaScript ES6 / JSON
\u31FF
Java / C# (Surrogates)
\u31FF
Python 3
\u31FF
C / C++ / Rust
\u31FF
CSS Content
\0031FF
URL Percent-Encoded
%E3%87%BF
Raw UTF-8 Bytes (Hex)
0xE3 0x87 0xBF
Base64 Stream
44e/
Unicode Character Database (UCD) Technical Specifications
Unicode 16.0 Standard| Unicode Plane | Plane 0: Basic Multilingual Plane (BMP) • U+0000..U+FFFF |
| Unicode Block | Katakana Phonetic Extensions (U+31F0..U+31FF) |
| General Category | Lo — Other Letter / Symbol |
| Bidirectional Class | L (Left-to-Right) • Flow: LTR |
| Unicode Version Introduced | Unicode 2.0 - 5.0 |
| UTF-8 Byte Stream | 0xE3 0x87 0xBF (3 Bytes) |
| UTF-16 Code Units | 0x31FF |
| UTF-32 Hexadecimal | 0x000031FF |
Quick Character Summary
Glyphㇿ
Hex CodepointU+31FF
Decimal ID12799
ScriptKatakana
DirectionLTR (L)
Introduced InUnicode 2.0 - 5.0
Device & Font Support
99.0% SupportApple (iOS / macOS)iOS 5.0+
Google (Android / Chrome)Android 4.0+
Microsoft (Windows)Windows 7+
Standard Basic Multilingual Plane (BMP) character widely supported across all modern browsers.