Online Tools for Developers

Generators and validators for Brazilian documents, SEO tools and developer utilities. Everything you need in one place.

Popular Generators

CPF Generator

Generate mathematically valid CPFs. Official Modulo 11, state support.

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CNPJ Generator

Generate valid CNPJs for software testing. Federal Revenue official algorithm.

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RG Generator

Generate RGs from various Brazilian states.

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Password Generator

Create secure random passwords. Customizable length and complexity.

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CEP Generator

Generate valid CEPs by state.

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CNH Generator

Generate valid CNH numbers for testing.

Specific Validators

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Validate CPF

Validate CPF using Modulo 11 algorithm.

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Validate CNPJ

Validate CNPJ with official algorithm.

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Validate Card

Validate credit card numbers using Luhn algorithm.

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Validate Account

Validate bank account numbers.

Strings and SEO

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Meta Tag Gen

Generate complete SEO meta tags. Open Graph, Twitter Cards.

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Char Counter

Count characters and words. Ideal for meta descriptions.

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Case Converter

Convert text between cases: camelCase, snake_case, kebab-case.

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Remove Accents

Remove accents and special characters.

Developer

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JSON Formatter

Format and minify JSON.

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Base64 Encoder

Encode and decode Base64.

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QRCode Gen

Generate customized QR codes.

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Binary to Text

Convert between text and binary.

About Ommini Tools

Ommini Tools is a collection of free online tools developed specifically for Brazilian developers.