About CNPJ Generator
Generate fictitious valid Brazilian company IDs (numeric or alphanumeric CNPJs) for software testing, or validate a CNPJ.
How it works
Numeric and alphanumeric CNPJ check digits follow the tool's Brazilian validation rules.
How to use
- Select the CNPJ type.
- Generate a test CNPJ.
- Or enter a CNPJ to validate it.
Practical example
Generate a numeric or alphanumeric test identifier and run its validation.
Useful tips
A valid checksum does not establish that a company exists. Generated identifiers may coincide with real ones.