IBAN Formatter

Format IBANs for print or electronic use with country-specific grouping and batch processing

Input IBAN(s)

Choose how to format your IBAN(s)

Formatted Output

Batch Format with Validation

Format multiple IBANs and validate them at the same time:

Format Guidelines

Electronic Format

Used for electronic transactions and data processing. No spaces, uppercase letters only.

GB29NWBK60161331926819
Print Format

Used for paper documents and human readability. Grouped with spaces.

GB29 NWBK 6016 1331 9268 19
Country-Specific Format

Follows the official formatting rules for each country, which may vary in grouping.

DE89 3704 0044 0532 0130 00 (Germany)
FR14 2004 1010 0505 0001 3M02 606 (France)
💡 Best Practice
Use electronic format for APIs and databases. Use print format for displaying to users or on printed documents. Country-specific format is recommended for official communications.

How to Format IBANs

  1. Enter or paste one or more IBANs into the input field
  2. Select your desired output format: Electronic, Print, or Country-Specific
  3. Click the "Format" button to process the IBANs
  4. View formatted results with proper spacing and grouping
  5. Copy formatted IBANs or download results for batch operations

Why Use Our IBAN Formatter?

  • Multiple Format Options: Electronic, print, and country-specific formats
  • Batch Processing: Format multiple IBANs simultaneously
  • 80+ Countries: Support for all IBAN-using countries
  • Instant Results: Real-time formatting without delays
  • No Registration: Use immediately without creating an account
  • Copy or Download: Export results in your preferred format

Format Types Available

  • Electronic Format: Continuous string without spaces (GB29NWBK60161331926819)
  • Print Format: Groups of 4 characters separated by spaces (GB29 NWBK 6016 1331 9268 19)
  • Country-Specific: Official format per country standards (varies by country)
  • Custom Grouping: Flexible spacing options for specific requirements
  • Case Normalization: Automatic conversion to uppercase standard
  • Whitespace Removal: Cleans input IBANs before formatting

What is IBAN Formatting?

IBAN formatting refers to the presentation of International Bank Account Numbers in different visual layouts depending on the use case. While the underlying data remains identical, the format affects readability and system compatibility. Electronic format (no spaces) is the ISO 13616 standard for machine processing: it eliminates human error from whitespace inconsistencies and is required by most banking APIs and payment systems. Print format groups characters into blocks of 4, improving readability on invoices and bank statements. For example, a German IBAN DE89370400440532013000 becomes DE89 3704 0044 0532 0130 00 in print format. Country-specific formatting follows local banking conventions: some countries use different grouping (e.g., French IBANs often group by bank identifier sections). Real-world scenario: A payment processor receives IBANs with varying formats from web forms (some with spaces, some without). Before validation and processing, all IBANs are normalized to electronic format, then reformatted for display in customer-facing interfaces.

Common Use Cases

  • Database Migration: Convert stored IBANs from print format to electronic format for system upgrades.
  • Invoice Generation: Format IBANs in print format for better readability on customer invoices.
  • Payment File Preparation: Ensure IBANs are in electronic format before uploading to payment gateways.
  • Customer Communications: Display IBANs in country-specific format for official correspondence.
  • Data Entry Validation: Normalize user input by removing spaces and converting to uppercase.
  • Report Generation: Present IBANs in consistent print format across all financial reports.

Privacy & Security

All IBAN formatting is performed entirely in your web browser. Your banking information never leaves your device and is never transmitted to our servers. You can format IBANs with complete confidence, knowing your data remains private throughout the entire process.