JSON & Data Tools

Format, validate, minify, and convert JSON and CSV data with free online tools that run entirely in your browser. Perfect for debugging APIs and cleaning datasets.

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JSON Formatter

Format, validate, and minify JSON

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CSV ↔ JSON

Convert between CSV and JSON formats

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YAML ↔ JSON

Convert between YAML and JSON formats

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JSON to TypeScript

Generate TypeScript interfaces from JSON

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JSON ↔ XML

Convert between JSON and XML formats

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TOML ↔ JSON

Convert between TOML and JSON formats

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Mock Data Generator

Generate realistic fake JSON test data

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JSON Diff

Compare two JSON objects and see what changed