Number Formatter
Format numbers with commas, decimal places, scientific notation, percentages, or currency symbols.
🔢 Standard mode — formats with your chosen thousands and decimal separators. Great for readability.
🔬 Scientific notation — converts large or tiny numbers to 1.23×10ⁿ form. Precision is set by decimal places.
📊 Percentage mode — multiplies by 100 and appends %. Input 0.05 → 5.00%.
💰 Currency mode — prepends your chosen currency symbol with formatted digits.
🔒 Privacy — all formatting runs locally in your browser. No data is sent anywhere.
About Number Formatter
Format any number exactly the way you need it: add thousands separators, control decimal places, switch to scientific notation, display as a percentage, or prepend a currency symbol. All formatting happens instantly in your browser — nothing is sent anywhere.