Hyphen/Dash Unifier (Normalize hyphens, dashes, minus signs)

Hyphen/Dash Unifier (Normalize hyphens, dashes, minus signs) | Finite Field

Normalize hyphens, dashes, minus signs, and long vowel marks based on Unicode standards. Structured data like URLs and dates is automatically protected.

Hyphens

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Dashes

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Minus Signs

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Long Vowel Marks

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tune

Presets

Normalization

Hyphen Target

Dash Target

Minus Target

Long Vowel Mark

Data Protection

URL / Email Phone Numbers ISO 8601 Dates Command-line Arguments Markdown (Code/Horizontal Rules)

input Input Source CHAR: 0

output Normalized Output

0 / 0

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live_help Frequently Asked Questions (FAQ)

What is the difference between a minus sign and a hyphen?

They serve different purposes. A minus sign is for negative numbers and subtraction, while a hyphen connects words or separates items. This tool can choose replacements by context (e.g., when a number follows like -1).

I want to keep hyphens only in phone numbers.

Turn on "Phone Numbers" protection to exclude digit-hyphen-digit patterns from conversion. Dates (YYYY-MM-DD) and URLs can be protected in the same way.

Does it handle the long vowel mark too?

Yes. The long vowel mark is a separate category you can toggle. When ON, it can unify the half-width long vowel mark (U+FF70) to the full-width long vowel mark (U+30FC), and adjust full-width hyphen-minus (U+FF0D) that appears between katakana characters.