UnicodeCharactercom
ſ
U+017F · LATIN SMALL LETTER LONG S

Latin Small Letter Long S

  • CodepointU+017F
  • NameLATIN SMALL LETTER LONG S
  • Decimal383
  • BlockLatin Extended-A (U+0100–U+017F)
  • 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+017F (ſ) is LATIN SMALL LETTER LONG S, a lowercase letter in the Latin Extended-A block. It belongs to the Latin script. It was added in Unicode 1.1 (1993).

Its uppercase form is U+0053 S.

It is a compatibility variant of U+0073 s (compatibility decomposition <compat>). NFC and NFD leave it alone, but NFKC and NFKD replace it with U+0073 s. Search engines, identifier checks and username systems that apply NFKC will treat the two as the same text.

How to type ſ

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Encodings & escapes

UTF-8 encoder →
UTF-8C5 BF2 bytes
UTF-16017F1 code unit
UTF-320000017F4 bytes
HTML decimal&#383;
HTML hex&#x17F;
CSS\17Fin content: "…"
JavaScript\u017F
JSON\u017F
Python\u017F
Python\N{LATIN SMALL LETTER LONG S}by name
Java / C#\u017F
C / C++\u017Funiversal character name
Rust / Swift / PHP\u{17F}
Go\u017F
Ruby\u017F
Excel / Sheets=UNICHAR(383)
URL-encoded%C5%BFpercent-encoded UTF-8
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Normalization forms

Normalizer →
NFCunchanged
NFDunchanged
NFKCU+0073 s
NFKDU+0073 s
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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+0066fLatin Small Letter F U+0584քArmenian Small Letter Keh U+1E9DẝLatin Small Letter Long S with High Stroke U+1D41F𝐟Mathematical Bold Small F U+1D453𝑓Mathematical Italic Small F U+1D487𝒇Mathematical Bold Italic Small F U+1D4BB𝒻Mathematical Script Small F U+1D4EF𝓯Mathematical Bold Script Small F U+1D523𝔣Mathematical Fraktur Small F U+1D557𝕗Mathematical Double-Struck Small F U+1D58B𝖋Mathematical Bold Fraktur Small F U+1D5BF𝖿Mathematical Sans-Serif Small F U+1D5F3𝗳Mathematical Sans-Serif Bold Small F U+1D627𝘧Mathematical Sans-Serif Italic Small F U+1D65B𝙛Mathematical Sans-Serif Bold Italic Small F U+1D68F𝚏Mathematical Monospace Small F
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Characters built on ſ

U+1E9BẛLatin Small Letter Long S with Dot Above U+FB05ſtLatin Small Ligature Long S T
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Nearby in Latin Extended-A

All in block →
U+0179ŹLatin Capital Letter Z with Acute U+017AźLatin Small Letter Z with Acute U+017BŻLatin Capital Letter Z with Dot Above U+017CżLatin Small Letter Z with Dot Above U+017DŽLatin Capital Letter Z with Caron U+017EžLatin Small Letter Z with Caron