OneGoodApe

Finance Tools

Calculators and validators for money, payments, and bank details.

All finance tools

Validators

Bank Account Number Checker

Validate IBANs, SWIFT/BIC codes, US routing numbers, and country-specific bank account formats.

Productivity Tools

My Calculator Monkey

A free online calculator collection — financial, health, math, and everyday calculators in one place.

About Finance Tools

Free finance tools: mortgage and loan calculators, percentage and interest calculators, plus IBAN, SWIFT/BIC, and bank account validators — all browser-based with no signup.