UnicodeCharactercom
Й
U+0419 · CYRILLIC CAPITAL LETTER SHORT I

Cyrillic Capital Letter Short I

  • CodepointU+0419
  • NameCYRILLIC CAPITAL LETTER SHORT I
  • Decimal1049
  • BlockCyrillic (U+0400–U+04FF)
  • Plane0 — Basic Multilingual Plane
  • ScriptCyrillic
  • CategoryLu — Uppercase Letter
  • Unicode version1.1 (1993)
  • Bidi classL — Left-to-Right
  • Combining class0
  • East Asian widthA — Ambiguous
  • MirroredNo

About this character

U+0419 (Й) is CYRILLIC CAPITAL LETTER SHORT I, an uppercase letter in the Cyrillic block. It belongs to the Cyrillic script. It was added in Unicode 1.1 (1993).

Its lowercase form is U+0439 й.

It is precomposed. Under NFD it decomposes into U+0418 И + U+0306 ◌̆, and NFC recombines that sequence into this single codepoint, so both spellings are canonically equivalent and should compare equal after normalization. See the normalization guide.

How to type Й

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Encodings & escapes

UTF-8 encoder →
UTF-8D0 992 bytes
UTF-1604191 code unit
UTF-32000004194 bytes
HTML namedЙnamed character reference
HTML decimalЙ
HTML hexЙ
CSS\419in content: "…"
JavaScript\u0419
JSON\u0419
Python\u0419
Python\N{CYRILLIC CAPITAL LETTER SHORT I}by name
Java / C#\u0419
C / C++\u0419universal character name
Rust / Swift / PHP\u{419}
Go\u0419
Ruby\u0419
Excel / Sheets=UNICHAR(1049)
URL-encoded%D0%99percent-encoded UTF-8
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Normalization forms

Normalizer →
NFCunchanged
NFDU+0418 И + U+0306 ◌̆
NFKCunchanged
NFKDU+0418 И + U+0306 ◌̆
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Looks similar

Characters that Unicode’s security data (UTS #39 confusables) lists as visually confusable with this one. Useful for spotting lookalike spoofing in URLs and usernames.

U+040DЍCyrillic Capital Letter I with Grave
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Nearby in Cyrillic

All in block →
U+0413ГCyrillic Capital Letter Ghe U+0414ДCyrillic Capital Letter De U+0415ЕCyrillic Capital Letter Ie U+0416ЖCyrillic Capital Letter Zhe U+0417ЗCyrillic Capital Letter Ze U+0418ИCyrillic Capital Letter I U+041AКCyrillic Capital Letter Ka U+041BЛCyrillic Capital Letter El U+041CМCyrillic Capital Letter Em U+041DНCyrillic Capital Letter En U+041EОCyrillic Capital Letter O U+041FПCyrillic Capital Letter Pe