Currency Converter

Convert between world currencies with your own rates — editable, saved on your device.

Amount

From

Result

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Exchange rates

Manual rates — no live API. Each rate is how many units of that currency equal 1 USD. Edit any rate and it saves on your device automatically.

Enter the amount and pick the From and To currencies.
The conversion updates live as you type.
Adjust any rate in the Exchange rates section — your edits are saved in this browser.

Privacy note: everything runs in your browser — your rates are stored only on your device, never sent anywhere.