// Numbers
Thousands Separator online
Add or remove thousands separators from numbers — comma, space, underscore, period — runs in your browser
by
CHUNKY
MUNSTER
MUNSTER
Large numbers are difficult to read without separators. This tool adds thousands separators to numbers in your preferred format — UK/US style commas, French-style spaces, German-style periods, Python-style underscores, or Swiss apostrophes — and can also strip separators from formatted numbers to get plain numeric values.
Use number.toLocaleString('en-GB') for UK formatting or new Intl.NumberFormat('de-DE').format(number) for German formatting. This tool does the same thing without code.
Yes. Paste one number per line and all will be formatted at once. Negative numbers and decimal numbers are both supported.