RMB to HKD Converter

This tool converts RMB (CNY) to HKD using current or historical exchange rates. It retrieves a rate from a trusted FX data source, applies it to the input RMB amount, and returns the HKD value formatted to two decimals. Conceptually, rates are pooled from credible market feeds and the conversion is a simple multiplication of amount by the rate. The feature set is designed for travelers, importers, exporters, and finance teams that need auditable, timely values for budgeting or invoicing. Unique value lies in providing both real-time rates and optional historical context with clear rounding rules and a timestamp for traceability. Core features include real-time rate fetch, optional historical rate lookup, two-decimal rounding, and a transparent rate used indicator. Use cases include quick travel budgeting, supplier invoicing, and cash-flow planning across borders. The tool is designed for accuracy, auditability, and convenience in fast-paced financial planning.