Is my data sent to a server?

No. All processing happens in your browser. Your JSON never leaves your device.

What's the maximum JSON size?

There's no hard limit, but very large files (>10MB) may slow down your browser.

Is my data sent to a server?

No. All processing happens in your browser. Your JSON never leaves your device.

What's the maximum JSON size?

There's no hard limit, but very large files (>10MB) may slow down your browser.

Gratuito

Formattatore e validatore JSON

Formatta, minifica e valida JSON con evidenziazione della sintassi e analisi della struttura.

100% gratuitoNessuna iscrizione richiestaFunziona nel tuo browser

Indentazione:

Input

Output

L'output apparirà qui...

About JSON Formatter & Validator

Paste JSON to format with custom indentation, minify for production, or validate structure. Shows key counts, nesting depth, and data type breakdown. Works entirely in your browser.

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Decode and inspect JWT tokens in your browser.

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LaunchChat elabora le configurazioni JSON per la personalizzazione dei widget.

Nessuna carta di credito richiesta

Clean JSON, clean docs. Clean support starts with an AI that reads your documentation and gives cited answers.

Free tier available. No credit card required.

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