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.

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JSON formátovač a validátor

Formátujte, minifikujte a validujte JSON se zvýrazněním syntaxe a analýzou struktury.

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Výstup

Výstup se zobrazí zde...

O nástroji 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.

Často kladené otázky

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JWT Decoder

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.

Regex Tester

Test regular expressions with live highlighting.

Base64 Encoder / Decoder

Encode and decode Base64 strings online.

Zobrazit všechny nástroje

LaunchChat zpracovává JSON konfigurace pro přizpůsobení widgetu.

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