📦Validators
Shopee/Mercado Envios Tracking Validator
Validate Shopee Brazil (BR + 12 digits) and Mercado Envios (BR + 14 digits) tracking codes. Auto-detect.
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Validate Brazilian CPF numbers instantly using the official algorithm. Useful for testing document validation in applications. No data sent to servers.
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Validate a list of CPFs (one per line) and see which are valid and which are not. No data sent to servers.
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Batch CNPJ Validator
Validate a list of CNPJs (one per line) with a summary of valid, invalid and total. No data sent to servers.