Format & Validate Tools
Format phone numbers, IBAN, VAT IDs, credit cards, SSNs, names, money amounts, scientific notation, and dates — all in your browser with no data upload.
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Phone Number Formatter
Format phone numbers into E.164, national, and international styles — supports 200+ country codes.
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Address Formatter
Format postal addresses into single-line or multi-line layouts for any country convention.
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VAT Number Validator
Validate EU VAT numbers, identify the issuing country, and normalise the format.
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IBAN Validator
Validate IBAN bank account numbers with checksum verification and country-specific length checks.
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Credit Card Formatter
Format credit card numbers with standard spacing and detect Visa, Mastercard, Amex, and more.
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SSN Masker
Mask US Social Security Numbers to show only the last 4 digits — safe for display and logging.
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Name Formatter
Format personal names into full name, last-first, initials, and formal salutation variants.
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Money Formatter
Format monetary amounts with currency symbols, thousand separators, and decimal precision.
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Scientific Notation Formatter
Convert numbers to scientific and engineering notation with configurable significant figures.
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Date ISO Formatter
Parse and convert dates to ISO 8601 format — supports dozens of input date formats.
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About these formatting tools
These tools help you standardise, validate, and display structured data correctly — from international phone numbers to IBAN bank accounts and ISO dates. Everything runs locally in your browser so sensitive information like SSNs and card numbers never leaves your device.