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Add Commas Between Numbers

How to Use This Tool

  1. Enter Your Text
    • Paste or type any text containing numbers
    • Works with plain text, data files, or code
  2. Adjust Formatting Options
    • Decimal numbers: Choose whether to add commas to numbers with decimals
    • 4-digit numbers: Optionally skip commas for numbers with exactly 4 digits
  3. Format Your Numbers
    • Click "Add Commas" to format all numbers in your text
    • Copy the formatted text with one click
    • Download as .txt file for larger results

Practical Examples

Large Numbers

Original text:

The population grew from 1000000 to 2500000 in just 10 years.

After adding commas:

The population grew from 1,000,000 to 2,500,000 in just 10 years.

Financial Data

Original values:

Revenue: $4500000 Profit: $1250000.50 Expenses: $3250000.75

After formatting:

Revenue: $4,500,000 Profit: $1,250,000.50 Expenses: $3,250,000.75