What is the difference between Fullwidth Hyphen-minus and Katakana-hiragana Prolonged Sound Mark?

Fullwidth Hyphen-minus is U+FF0D in the Halfwidth and Fullwidth Forms block. Katakana-hiragana Prolonged Sound Mark is U+30FC in the Katakana block. They are distinct Unicode codepoints and may appear visually similar depending on the font.

What is the HTML entity for Fullwidth Hyphen-minus?

The HTML entity for Fullwidth Hyphen-minus (U+FF0D) is －.

What is the HTML entity for Katakana-hiragana Prolonged Sound Mark?

The HTML entity for Katakana-hiragana Prolonged Sound Mark (U+30FC) is ー.

Are Fullwidth Hyphen-minus and Katakana-hiragana Prolonged Sound Mark the same Unicode character?

No. Fullwidth Hyphen-minus is U+FF0D (decimal 65293) and Katakana-hiragana Prolonged Sound Mark is U+30FC (decimal 12540). They are separate codepoints.

What are the UTF-8 encodings of Fullwidth Hyphen-minus and Katakana-hiragana Prolonged Sound Mark?

Fullwidth Hyphen-minus (U+FF0D) encodes as EF BC 8D in UTF-8. Katakana-hiragana Prolonged Sound Mark (U+30FC) encodes as E3 83 BC in UTF-8.

Fullwidth Hyphen-minus vs Katakana-hiragana Prolonged Sound Mark

Compare two Unicode characters side by side — encodings, HTML entities, escape sequences, and Unicode properties. Useful for distinguishing visually similar characters like hyphens and dashes, quotation marks, or homoglyphs.

－

Fullwidth Hyphen-minus

U+FF0D

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ー

Katakana-hiragana Prolonged Sound Mark

U+30FC

Full details →

Property Comparison

Property	Fullwidth Hyphen-minus	Katakana-hiragana Prolonged Sound Mark
Codepoint	`U+FF0D`	`U+30FC`
Decimal	`65293`	`12540`
HTML Entity	`－`	`ー`
HTML Decimal	`－`	`ー`
HTML Hex	`－`	`ー`
UTF-8	`EF BC 8D`	`E3 83 BC`
UTF-16	`FF 0D`	`30 FC`
UTF-32	`0000FF0D`	`000030FC`
CSS Escape	`\FF0D`	`\30FC`
JS Escape	`\uFF0D`	`\u30FC`
Python Escape	`\uFF0D`	`\u30FC`
URL Encoded	`%EF%BC%8D`	`%E3%83%BC`
Category	`Dash Punctuation (Pd)`	`Modifier Letter (Lm)`
Block	`Halfwidth and Fullwidth Forms`	`Katakana`
Script	`Common`	`Common`
Bidi Class	`ES`	`L`
Unicode Version	`1.1`	`1.1`

Rows highlighted in amber differ between the two characters.

Common Comparisons

Frequently confused character pairs.

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