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Formattatore e Validatore JSON Online

Formatta strutture JSON illeggibili in dati chiari e ordinati. Trova errori con indicazione di riga e colonna.

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Come utilizzare questo strumento

Three simple steps to process your files

Input Raw JSON

Paste your unformatted JSON text, load a sample dataset, or type directly into the code workspace.

Format, Minify or Validate

Choose Beautify to apply indentations (2 spaces, 4 spaces, or tabs), Minify to eliminate spaces, or Validate to test syntax.

Copy or Save

Quickly copy the clean JSON string to your clipboard or download it as a standard .json file.

Funzionalità principali

Engineered for speed, fidelity & security

Precise Error Locator

Immediately pinpoint syntax errors with exact line and column numbers for fast debugging.

Interactive Tree View

Collapse and expand deeply nested JSON arrays and object hierarchies with an intuitive graphical explorer.

Multiple Indent Configurations

Switch between 2-space, 4-space, or tab indentation to match your team's code style guidelines.

Safe Client-Side Execution

Never uses unsafe eval(). Protected against Cross-Site Scripting (XSS) and code injection.

One-Click Minification

Strip all whitespaces and line breaks to minimize payload size for production API payloads.

Instant Clipboard Copy

Copy formatted or minified output in a single keystroke for seamless developer workflow.

FAQ

Domande frequenti

What is JSON formatting and beautifying?

JSON beautifying adds systematic line breaks and indentations to raw JSON data, transforming unreadable single-line strings into human-readable structures.

Does this tool validate JSON schema or syntax?

Yes. It performs strict RFC 8259 JSON validation, alerting you immediately to missing commas, unmatched brackets, or unquoted keys with line and column pointers.

Is it safe to paste proprietary API keys or customer data?

Yes. The formatting and tree generation runs strictly inside your web browser. No JSON data is ever transmitted to a server or logged.

Can I minify JSON for API usage?

Yes. Simply click "Minify" to strip all non-essential whitespace, significantly reducing network payload size.

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