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PAYMENTS AND BANKS · Useful tools.
12 PAYMENTS AND BANKS tools. Compare options and choose a generator, converter or calculator for your task.
PAYMENTS AND BANKS
Prepare card numbers to test input masks and local validation. Generated numbers are not real cards and cannot authorize payments; use your provider’s sandbox.
Test card generator
Generate Visa, Mastercard, Elo, Hipercard and other test cards with Luhn, expiry and CVC. Choose random synthetic numbers or public sandbox examples.
Open toolBrazilian bank lookup
Search banks by name, COMPE code or ISPB in a local snapshot of Brazilian Central Bank STR participants, without an external API.
Open toolBrazilian bank account generator
Generate fictional branch and account numbers for 15 bank models, with checking and savings options. Copy and export batches locally in your browser.
Open toolBrazilian bank account validator
Check branch and checking account digits for Banco do Brasil, Bradesco and Itaú without checking account ownership or balances.
Open toolNF-e, NFC-e and CT-e key generator
Generate 44-digit NF-e, NFC-e, CT-e and CT-e OS keys with check digits. Choose state, CNPJ and emission type or decode fields locally.
Open toolPIX test key generator
Generate fictional CPF, CNPJ, email, phone or EVP PIX keys and build copy-and-paste payloads locally for testing.
Open toolStatic PIX QR code generator
Create a static PIX QR code and copy-and-paste payload with key, recipient, city and optional amount without uploading your data.
Open toolTest IBAN generator
Generate test IBANs for Brazil, Portugal, Germany, France, Spain and the UK with country-specific structures and modulo-97 checks.
Open toolTest boleto generator
Generate 44-digit boleto barcode numbers and 47-digit payment lines for tests with configurable amount, bank and due date.
Open toolLocal CNAE browser and generator
Search and sample CNAE codes by description, section and category using a bundled official IBGE table without uploading queries.
Open toolFictional PIX receipt generator
Generate fictional PIX receipts with amounts, payer, recipient and five key types. Copy or export PNG, SVG and PDF locally in your browser.
Open toolFictional retail receipt generator
Generate fictional retail receipts with items, CNPJ, subtotal, discount, payment, change and test key. Copy or export PNG, SVG and PDF in your browser.
Open toolA toolbox for people who build.
Explore people and document generators, validators, text converters, calculators and development utilities. Each page explains how to use its tool and interpret the result. Generators create synthetic test data; validators check mathematical rules rather than replacing official record lookups.