What's the largest number supported?

Numbers up to 999 trillion are supported.

Can I format as currency instead of words?

Yes, switch the mode to currency and pick a currency and locale.

How are decimals handled in words mode?

Each digit after the decimal point is read out individually, e.g. '3.14' becomes 'three point one four'.

Is my data uploaded to a server?

No. This tool runs entirely in your browser using standard web APIs, so your input never leaves your device and nothing is logged or stored on our servers.

Does it work offline and on mobile?

Yes. Once the page has loaded it keeps working without a network connection, and the layout is responsive so it stays usable on phones and tablets.

Number to Words & Currency Formatter

Spell numbers out in words or format them as currency, ordinals and locale text.

Support

Works Offline

Privacy First

No Login

No API

Number

Locale

Currency

Decimals

Plain & compact number

Formatted number

1,234,567.89

Compact form

1.2M

Ordinal

1234567th

Currency & words

Currency formatted

$1,234,567.89

In words

one million two hundred thirty four thousand five hundred sixty seven point eight nine

About the Number to Words & Currency Formatter

One tool with a mode toggle: spell whole or decimal numbers out in English words, format them as currency for checks and invoices, or apply locale-aware separators, ordinals (1st, 2nd, 3rd) and compact notation.

Examples

Currency

1234.56

Output

one thousand two hundred thirty-four dollars and fifty-six cents

Keyboard shortcuts

Copy the main outputCtrl / ⌘ + Shift + C
Download the resultCtrl / ⌘ + S
Share this toolCtrl / ⌘ + Shift + S
Reset the inputsAlt + R
Open the tool search paletteCtrl / ⌘ + K

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Frequently asked questions

Version 1.1.0 · Updated 2026-08-10 · Runs entirely in your browser