This is a freely accessible ISIN database, which can be used for searching financial assets and their ISINs (and CUSIPs, FIGIs, SEDOLs, VALORs and WKNs, if available).

You are encouraged to add missing information or ISIN codes to the database! Together, we can make this the #1 free online tool for CUSIP, FIGI, ISIN, SEDOL, VALOR and WKN lookup and conversion. No registration required.