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.

Paste a JWT token to instantly decode and inspect its header, payload, and signature. View claims like expiration, issuer, and custom data. Everything runs in your browser — tokens are never sent to a server.

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LaunchChat elabora le configurazioni JSON per la personalizzazione dei widget.

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