為替換算（手動レート）
自分で入力したレートで換算。相場取得なし。
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FAQ（5）
Do you fetch live FX rates?
No. You paste the rate yourself so the page stays offline-friendly. LocalKit processes everything locally in your browser—nothing is uploaded and no account is required. Results are estimates only and not financial advice.
Multiply or divide?
Use multiply when rate is quote currency per base; divide for the inverse. LocalKit processes everything locally in your browser—nothing is uploaded and no account is required. Results are estimates only and not financial advice.
Mid-market vs bank rate?
Use whatever rate your bank/card shows; spreads matter. LocalKit processes everything locally in your browser—nothing is uploaded and no account is required. Results are estimates only and not financial advice.
Rounding?
Display uses up to 4–6 decimals; confirm with your provider for settlements. LocalKit processes everything locally in your browser—nothing is uploaded and no account is required. Results are estimates only and not financial advice.
Is amount uploaded?
No. LocalKit processes everything locally in your browser—nothing is uploaded and no account is required. Results are estimates only and not financial advice.