IBAN Validator
Check an IBAN's structure and mod-97 checksum locally.
Formula and method
This text tool processes the text in your browser and shows the output below the editor. For sensitive text, avoid pasting secrets into any website unless you understand the risk.
Embed this tool
Paste this snippet into your own site or blog post to embed a live, working copy of this tool. It links back to the full page on SpecWhale.
Frequently asked questions
What is IBAN Validator?
IBAN Validator is a free, privacy-first online tool on SpecWhale designed to check an iban's structure and mod-97 checksum locally. quickly in your browser without requiring an account or sign-up.
Is IBAN Validator free to use?
Yes, all tools on SpecWhale are 100% free, have zero usage limits, and run entirely in your web browser.
Is IBAN Validator free to use?
Yes. IBAN Validator is completely free, has no usage limit, and does not require an account, email, or API key.
Does IBAN Validator store or upload my data?
No. IBAN Validator calculates everything locally in your browser. Nothing you type is sent to a server or stored by SpecWhale.
How accurate is IBAN Validator?
IBAN Validator follows the method described above. As with any free tool, double-check results before relying on them for anything high-stakes.
Can I embed IBAN Validator on my own website?
Yes. Use the "Embed this tool" snippet on this page to add a free, working copy of IBAN Validator to your own blog post or page.