Indonesian Data Formats

Indonesian phone numbers, NIK values, and rupiah amounts can look straightforward until you move them between forms, APIs, and spreadsheets. The first question is whether you need to display a value or validate it.

Preserve identifiers as text

A phone number or NIK is an identifier, not a number to calculate with. Keeping it as text prevents spreadsheets from dropping leading zeroes or changing long values. A format check can catch an obvious typo; it cannot prove an identity or ownership.

Keep formatting separate

Rp1.000 and 1,000 depend on locale conventions. Store numeric amounts in a format your system understands, then format them for the reader at the edge. Check the expected decimal and thousands separators before importing a file.

Related tools

• IBAN Validator — Validate an IBAN and read its country and check digits.
• Google Maps Link Parser — Pull the latitude and longitude out of a Google Maps link and export it as JSON, CSV, SQL or GeoJSON.
• NIK Parser — Parse Indonesian NIK into region codes, birth date, gender and serial number.
• Phone Parser — Parse and format phone numbers by country.