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CNPJ Generator

Generate random valid CNPJ numbers

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Use the CNPJ generator to create a valid CNPJ number.

The algorithm used to generate the CNPJ code merely follows a given pattern. Generated CNPJs are possibly not even real and should not be used for any illegal activity.

What is CNPJ?

The Cadastro Nacional da Pessoa Jurídica (CNPJ), National Registry of Legal Entities, has functions similar to CPF but is unique to legal entities. It identifies companies at the Federal Revenue Service.

The CNPJ must be detailed on all invoices and receipts issued by the company and on product packaging. (wikipedia)

Generation and Validation of CNPJ

The CNPJ has 14 digits. The first 8 are the registration number, the next 4 identify the branch (0001 for headquarters). The last 2 digits form a checksum of the 12 previous digits.

Using the tool

This tool was developed for programmers and testers who have the constant need to enter different CNPJ numbers in developing forms.

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