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Mock and Match

Mock and Match

Fake test data & JSON tools, 100% in your browser

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Mock and Match is a free, 100% client-side toolkit for developers: generate realistic fake test data (CPF, CNPJ, UUIDs, emails, credit cards and 50+ field types) with a visual schema builder, export to JSON/CSV/SQL, and convert between JSON, YAML, XML, TypeScript, Zod, JSON Schema and TOON — plus a JSON formatter/minifier. No signup, no data ever leaves your browser.

Mock and Match makers

Here are the founders, developers, designers and product people who worked on Mock and Match

alan limaFull-stack developer
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