How to check an IBAN before you pay an invoice
A valid verdict rules out a mistyped character and shows the SEPA zone, not whose account it is. For a payment file, paste the column and get a CSV.
Articles
How to get the most from each tool on this site: why it exists, what to type in, how to read the answer, and the questions people search for.
Each article takes one question about a tool on this site and answers it: why you would need the tool, what to type in, and how to read what comes back.
Many start from a question people type into a search engine, such as why an IBAN was refused or what time golden hour starts. The answer runs through the tool, so you can check it on your own case.
Why was my IBAN rejected? What each reason means
Paste it into the IBAN validator: the Reason names the broken rule (check digits, length, a stray symbol, country code) and Did you mean offers fixes.
Free IBAN checkers compared: what each one checks
Both free checkers test country, length and check digits. iban.com adds the BIC; fastast adds a 200-line batch, a CSV and suggested fixes for a typo.