Live exchange rates for 160+ world currencies, auto-detecting your country.
Convert between 160+ world currencies with live daily rates — no key, no limits, no uploads. Your country is detected automatically and rates are cached so the converter works even offline.
100% client-side — zero uploads, maximum privacy
Instant results — no waiting for server processing
Secure — your data never leaves your browser
Free to use — no sign-up required
Real-time calculation as you type — no submit button needed
Step-by-step breakdowns for full transparency
Amortization schedules, unit conversions, and health formulas
Bookmarkable results for quick reference
Works offline after initial page load
Perform currency converter tasks directly in your browser
Save time with instant, server-free processing
Maintain full privacy — your data never leaves your device
Get reliable results powered by well-tested algorithms
Use it anywhere — no installation or account required
Live market rates updated daily from open exchange-rate data providers. No API key is needed and nothing is uploaded.
Yes — the tool detects your country from your IP and pre-selects your currency. You can switch manually anytime.
Banks add margins and fees on top of mid-market rates. Use this for estimates and confirm final amounts with your provider.
Percentage of, percentage change and percentage increase/decrease.
Monthly payment, total interest and full amortization schedule.
Length, weight, temperature, data, area, volume, time and speed conversion.
Exact age in years, months, days, plus days until your next birthday.
Days between dates, add/subtract days from a date, weekday lookup.
Convert between decimal, hex, binary and octal with ASCII view.