About
Use this tool to add commas or periods to numbers in a text. It works by extracting numbers and then applying commas/periods where they are applicable.
Use comma
In US/UK English, comma is used to separate every third digit and period is used as a decimal separator.
Before1000 1000.00 10000After
1,000 1,000.00 10,000
Use period
In many European countries, period is used as a thousands separator and comma as the decimal point.