IBAN Validator
IBAN Validator is a free online Validators & Checksums tool that validate an IBAN with MOD-97, check the national length and show the rearranged calculation instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.
Description
Validate an IBAN with MOD-97, check the national length and show the rearranged calculation.
- Because everything is computed client-side, IBAN Validator is safe to use with sensitive data such as API keys, tokens or private logs.
How to use
Using IBAN Validator takes three steps:
- Paste your data into the input box (or load the example).
- Configure the options to match your target format or scenario.
- Copy, download or inspect the output — it updates live as you type.
Examples
These ready-made examples show typical inputs and the exact output IBAN Validator produces for them.
DE89 3704 0044 0532 0130 00
A German test IBAN. Spaces are ignored; the MOD-97 remainder must be 1.
Use cases
Common situations where IBAN Validator helps:
- Validate an IBAN with MOD-97, check the national length and show the rearranged calculation.
- Because everything is computed client-side, IBAN Validator is safe to use with sensitive data such as API keys, tokens or private logs.
FAQ
What is IBAN Validator?
IBAN Validator validate an IBAN with MOD-97, check the national length and show the rearranged calculation. It runs entirely in your browser, so your data stays private.
Is IBAN Validator free to use?
Yes. IBAN Validator is free, unlimited and works without registration or installation.
Does my data get uploaded?
No. All processing happens locally in your browser; nothing is sent to any server.