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Formattatore JSON5

Formattatore JSON5 gratuito. Accetta JSON con commenti, virgole finali e altre sintassi più flessibili, quindi produce JSON rigoroso. Utile per file di configurazione che si sono discostati dalla specifica.

Runs in your browserUpdated Apr 26, 2026

JSON5 Input

Output

Domande frequenti

›What is JSON5?

A superset of JSON that allows comments, trailing commas, unquoted keys and a few other conveniences. It's the format of many config files (tsconfig, devcontainer, babel) and drift-prone hand-edited JSON.

›Does it handle single-quoted strings?

This tool handles the most common JSON5 drift — `// comments`, `/* block comments */` and trailing commas. For the full JSON5 spec (unquoted keys, single quotes, hex numbers) paste into a proper JSON5 parser locally.

›What does the output look like?

Strict, spec-compliant JSON — 2-space indented. Safe to feed to any JSON.parse or schema validator.

›Is it free?

Yes — fully free, in-browser, no signup.

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