Number Formatter

Format numbers with locale-aware separators, currency, percent, scientific, and compact notation.

Runs entirely in your browser — nothing is uploaded or stored on any server.

About Number Formatter

Updated Mar 2026

Format numbers using the browser's Intl.NumberFormat API across 8 locales. Choose from formatting styles: decimal, currency (USD/EUR/GBP/JPY), percent, scientific, engineering, and compact notation. Enter a number and instantly see how it looks in US English, German, French, Indian, Japanese, Chinese, Arabic, and Russian locales.

Frequently Asked Questions

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