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Use Frankfurter's exchange rates inside the tools you already work in. None of them need an API key or an account.

Excel

Pull live or historical rates into a workbook with Power Query, or a Windows-only formula.

Google Sheets

Pull live or historical rates into a spreadsheet with a one-line IMPORTDATA formula, or a small custom function.

MCP

Convert currencies and look up current or historical rates straight from an AI assistant, through the official Model Context Protocol server.

pandas

Load live or historical rates straight into a DataFrame with a one-line read_csv.