Number Formatter

Format numbers and currencies with locale-aware grouping and decimal control. Runs in your browser.

Example for this locale: 1,234.56

LocaleParse localeStyleCurrency (when style=currency)Currency displayCurrency signSign displayCompact display (compact notation)Unit (when style=unit)Unit displayMin fraction digitsMax fraction digitsGroupingNotationRounding mode

Fallback cleanup (trim & strip commas)Safe mode (no precision loss)

Locale/Currency presets:

Shareable link

Copy a URL with your current input + settings.

Saved presets

Store your favorite formatting setups locally.

Preset name

No presets saved yet.

Formatted number

1,234,567.89

Parsed value (normalized)Confidence: High (matched locale separators).

1234567.89

Compare View

Compare the same input across multiple locales to spot formatting differences.

Compare input (shared with Single)

Selected locales (4/8)

Add locale

Pinned presets

Preset name

Pin locale mixes you use often.

en-US

1,234,567.89

de-DE

1.234.567,89

fr-FR

1 234 567,89

ja-JP

1,234,567.89

How to use

Enter or paste a number and choose a style (decimal or currency) and locale.
Adjust grouping, notation, rounding, and fraction digits to fit your use case.
Copy or download the formatted value for reuse.

FAQ & privacy

Local only? Yes. Everything runs in your browser; no data is sent to a server.

Invalid locale/currency? Check that your locale (e.g., en-US) and currency code (e.g., USD) are valid ISO codes.

Large numbers? Very large values may round depending on locale; a warning will appear.