IBAN Validator
Validate any IBAN for length, format, and mod-97 checksum.
Spaces and lowercase are fine — we normalize before checking. All processing happens in your browser.
What this checks
- Country code is one of 67 supported
- Total length matches the country’s IBAN spec
- Mod-97 checksum passes (the official IBAN rule)
It does not verify that the account actually exists at a bank.
About this tool
Paste an International Bank Account Number and see if it passes the official mod-97 check, plus the country, bank code, and account number breakdown. Common r/europe, r/expats, and r/personalfinance pain point when wiring money abroad.
Related tools
More checkers you might find useful.
Other categories
Looking for something different? Browse the rest of the catalog.
Calculators
Crunch the numbers.
Generators
Generate anything.
Formatters
Tidy up text.
Converters
Switch units fast.
Trackers
Stay on schedule.
SEO
Rank smarter.
Engineering
Build smarter.
YouTube
Grow your channel.
Gaming
Play sharper.
Music
Mix it right.
Investing
Invest smarter.
Health & Fitness
Live stronger.
Home & DIY
Make it home.
Travel
Travel smarter.
Productivity & Lifestyle
Decide faster.
Photography
Sharper images.
Cars
Save on cars.
Sponsored suggestions
- Need a real tenant background check?
SmartMove by TransUnion runs $25/screen and is what most landlords actually use.
- Like this site? You'll love our weekly newsletter
One new tool, one fresh Reddit pain point, every Friday. No spam.
Some links below are affiliate links. We may earn a commission if you purchase through them, at no extra cost to you.