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React Playground — Run Components Live

Write and run React components in the browser. Test JSX, hooks, and state management without setup. Free online React playground and sandbox.

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Questions fréquentes

Which React version does the playground use?

The playground uses the latest stable React version and is updated when new stable releases are published. This ensures you can test current React features including concurrent features, automatic batching, and the latest hooks. The version number is displayed in the playground footer.

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Formatez, validez et embellissez des données JSON avec coloration syntaxique et détection d'erreurs.

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Encodez du texte ou des fichiers en Base64, ou décodez des chaînes Base64 en texte.

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Formateur de code

Formatez et embellissez du code en JavaScript, TypeScript, HTML, CSS, JSON et plus encore.

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  • JSON Formatter
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Outils Texte

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Outils Image

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Outils Business

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Outils IA

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Outils de Conversion

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Calculatrices

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Outils Design

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Outils Productivité

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Du Blog

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