KATAKANA ITERATION MARK·U+30FD

Character Information

Code Point
U+30FD
HEX
30FD
Unicode Plane
Basic Multilingual Plane
Category
Modifier Letter

Character Representations

Click elements to copy
EncodingHexBinary
UTF8
E3 83 BD
11100011 10000011 10111101
UTF16 (big Endian)
30 FD
00110000 11111101
UTF16 (little Endian)
FD 30
11111101 00110000
UTF32 (big Endian)
00 00 30 FD
00000000 00000000 00110000 11111101
UTF32 (little Endian)
FD 30 00 00
11111101 00110000 00000000 00000000
HTML Entity
ヽ
URI Encoded
%E3%83%BD

Description

The Unicode character U+30FD, known as the Katakana Iteration Mark, plays a significant role in the Japanese writing system. It is used to indicate an iteration of a base katakana character, enabling compound characters or diacritical marks to be added to the basic katakana character. This feature enhances the expressiveness and versatility of written communication in the Japanese language. The Katakana Iteration Mark is an essential element in digital text processing, particularly for applications dealing with Japanese typography and text rendering. Its precise usage ensures consistency and accuracy in the display of katakana characters, contributing to the overall quality and legibility of digital texts in Japanese.

How to type the symbol on Windows

Hold Alt and type 12541 on the numpad. Or use Character Map.

  1. Step 1: Determine the UTF-8 encoding bit layout

    The character has the Unicode code point U+30FD. In UTF-8, it is encoded using 3 bytes because its codepoint is in the range of 0x0800 to 0xffff.

    Therefore we know that the UTF-8 encoding will be done over 16 bits within the final 24 bits and that it will have the format: 1110xxxx 10xxxxxx 10xxxxxx
    Where the x are the payload bits.

    UTF-8 Encoding bit layout by codepoint range
    Codepoint RangeBytesBit patternPayload length
    U+0000 - U+007F10xxxxxxx7 bits
    U+0080 - U+07FF2110xxxxx 10xxxxxx11 bits
    U+0800 - U+FFFF31110xxxx 10xxxxxx 10xxxxxx16 bits
    U+10000 - U+10FFFF411110xxx 10xxxxxx 10xxxxxx 10xxxxxx21 bits
  2. Step 2: Obtain the payload bits:

    Convert the hexadecimal code point U+30FD to binary: 00110000 11111101. Those are the payload bits.

  3. Step 3: Fill in the bits to match the bit pattern:

    Obtain the final bytes by arranging the paylod bits to match the bit layout:
    11100011 10000011 10111101