Description#
Validator is an application that will allow you to check the validity of many different documents. By calculating their corresponding letter or validation number at the time. This application can help you check the validity of the following documents:
- Bank documents
- Account Number
- Savings book
- Credit card
- IBAN
- Other documents
- Passport
- NIF
- CIF
- DNI
- NIE
- IMEI (for phones)

P.S. As an extra, put a link to the .appxupload file (the one that is uploaded to the Store), another day I will make a Post, about how to compile the application from this type of files.
In the meantime, do you want to give it a try?
Support#
If you need support for the application, please contact ruben0909@gmail.com
Privacy Policy#
It is obliged to comply with the applicable regulations on the correct use and processing of personal data and legislation relating to electronic commerce. The application does not require any type of registration, which allows you to use the application without identifying yourself. This application does not request your personal data, nor does it store data from your device, nor does it use the internet or any other means to transmit the information entered remotely. This application does not use encryption as such, as it does not modify the incoming information. It checks and converts different documents using public domain algorithms, these are: Luhn algorithm or “modulus 10” or “mod 10” (imei, IBAN, credit cards and passbooks) The rest use the mod23 algorithm to verify the accuracy. There is no risk of information leaks for the user since they do not use the internet







