IBAN 格式化

使用方法

1. Type or paste a raw IBAN into the input field (spaces allowed or stripped)。
2. The formatted IBAN grouped in blocks of 4 appears instantly below。
3. Check the valid or invalid indicator to confirm the ISO 7064 mod-97 checksum。
4. Copy the formatted result for use in forms or documents。

範例

• Pasting DE89370400440532013000 produces DE89 3704 0044 0532 0130 00 with a green "valid" indicator。
• Entering a scrambled sequence such as DE00370400440532013000 shows a red "invalid" checksum failure。