What ᅵ means
It is a narrow compatibility form of Korean ㅣ. It represents the same vowel letter, but uses a halfwidth cell. The related ᅵ is the Hangul vowel form used when syllables are composed. This character serves older encoding and layout needs; it is not a separate Korean word.
A predecessor appears in Korea's 1974 N-byte Hangul standard, which assigned single-byte codes to basic jamo, or Hangul letters. The narrow layout is more directly associated with an annex to the Korean character-code standard in its 1987 and later editions. These layouts fit Hangul letters into constrained code systems and helped preserve conversions. Today, ᅵ mainly remains for compatibility with existing text and systems.
Why can’t I type or display it normally?
Korean keyboards and fonts may not support this legacy form. A Unicode proposal from 2017 says Korean input methods did not provide a way to enter halfwidth jamo, and notes limited font coverage. A 2020 report recorded a missing-glyph box or incorrect width on Android 10 and Windows 10.
For ordinary Korean writing, use ㅣ or a syllable containing it. Keep ᅵ when working with legacy conversion, width testing, or text that already uses this character. Compatibility processing may convert it to ㅣ.
How can I enter this character in code?
Use a Unicode escape or an HTML character reference. In source code that accepts Unicode escapes, write "\uFFDC". In HTML, write "ᅵ". A standard Korean keyboard usually will not offer this halfwidth form; an application's Unicode input can be another option.
Technical and archival: it marks a legacy width or encoding choice, not a conversational tone.
For ordinary Korean text, use ㅣ; ᅵ may display as a missing glyph or at the wrong width.
Don't confuse it with
2Questions people ask
2Why does ᅵ show as a box?
It may be a font-coverage problem. A 2020 report recorded missing-glyph boxes or incorrect width on Android 10 and Windows 10. A font with the character may display it; for ordinary Korean text, use ㅣ.
Can a Korean keyboard type ᅵ?
Usually not through its standard input method. A Unicode input feature or a code escape can enter the character when a project needs this legacy form.
How to type ᅵ
ᅵ\FFDCCodes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.
