UnicodeCharactercom
ï
U+00EF · LATIN SMALL LETTER I WITH DIAERESIS

Latin Small Letter I with Diaeresis

  • CodepointU+00EF
  • NameLATIN SMALL LETTER I WITH DIAERESIS
  • Decimal239
  • BlockLatin-1 Supplement (U+0080–U+00FF)
  • Plane0 — Basic Multilingual Plane
  • ScriptLatin
  • CategoryLl — Lowercase Letter
  • Unicode version1.1 (1993)
  • Bidi classL — Left-to-Right
  • Combining class0
  • East Asian widthN — Neutral
  • MirroredNo

About this character

U+00EF (ï) is LATIN SMALL LETTER I WITH DIAERESIS, a lowercase letter in the Latin-1 Supplement block. It belongs to the Latin script. It was added in Unicode 1.1 (1993).

Its uppercase form is U+00CF Ï.

It is precomposed. Under NFD it decomposes into U+0069 i + U+0308 ◌̈, 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 ï

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Encodings & escapes

UTF-8 encoder →
UTF-8C3 AF2 bytes
UTF-1600EF1 code unit
UTF-32000000EF4 bytes
HTML namedïnamed character reference
HTML decimalï
HTML hexï
CSS\EFin content: "…"
JavaScript\u00EF
JSON\u00EF
Python\u00EF
Python\N{LATIN SMALL LETTER I WITH DIAERESIS}by name
Java / C#\u00EF
C / C++\u00EFuniversal character name
Rust / Swift / PHP\u{EF}
Go\u00EF
Ruby\u00EF
Excel / Sheets=UNICHAR(239)
URL-encoded%C3%AFpercent-encoded UTF-8
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Normalization forms

Normalizer →
NFCunchanged
NFDU+0069 i + U+0308 ◌̈
NFKCunchanged
NFKDU+0069 i + U+0308 ◌̈
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Characters built on ï

U+1E2FḯLatin Small Letter I with Diaeresis and Acute
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Nearby in Latin-1 Supplement

All in block →
U+00E9éLatin Small Letter E with Acute U+00EAêLatin Small Letter E with Circumflex U+00EBëLatin Small Letter E with Diaeresis U+00ECìLatin Small Letter I with Grave U+00EDíLatin Small Letter I with Acute U+00EEîLatin Small Letter I with Circumflex U+00F0ðLatin Small Letter Eth U+00F1ñLatin Small Letter N with Tilde U+00F2òLatin Small Letter O with Grave U+00F3óLatin Small Letter O with Acute U+00F4ôLatin Small Letter O with Circumflex U+00F5õLatin Small Letter O with Tilde