Number Formatter
Format numbers with commas, as currency (USD/EUR), as percentages, or in scientific notation. Processes all numbers in the input at once — paste a column of data and format everything in one click.
Ctrl+Enter to run · Ctrl+K to switch tools · Recent button shows input history
Let AI do the hard part. Fix broken HTML, convert to email-safe HTML, or clean up any markup in one click — 3 free AI runs per day, no account needed.
Try the AI HTML FixerFAQ
Can it handle negative numbers?
Yes — negative numbers like -1234567 are formatted correctly: -1,234,567.
Does it handle decimal places?
Yes — the decimal portion is preserved as-is for most formats. Currency formats round to 2 decimal places.