data_object

JSON Formatter

Format, validate, and beautify JSON data with proper indentation. Instantly detect syntax errors, fix formatting issues, and minify JSON for production.

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Secure & Private Client-Side

This tool runs entirely in your browser. No data is sent to any server, ensuring your information remains private and secure.

About JSON Formatter

Format, validate, and beautify JSON data with proper indentation. Instantly detect syntax errors, fix formatting issues, and minify JSON for production.

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Frequently Asked Questions

What is JSON? expand_more

JSON (JavaScript Object Notation) is a lightweight data format used for data exchange between servers and web applications.

How does validation work? expand_more

The tool parses your JSON and checks for syntax errors like missing commas, unquoted keys, or unbalanced brackets.

Can I minify JSON? expand_more

Yes! The tool can both beautify (add indentation) and minify (remove whitespace) your JSON data.

What common errors does it catch? expand_more

The [JSON Formatter](/tools/json-formatter/) detects missing commas, trailing commas, unquoted property names, single quotes instead of double quotes, and malformed escape sequences.

Can I format nested objects? expand_more

Yes! Nested JSON objects and arrays are formatted with proper indentation, making deep data structures easy to read and debug.

How do I fix syntax errors? expand_more

The [JSON Formatter](/tools/json-formatter/) shows exact line number and type of error. Common fixes include adding missing commas, using double quotes, and balancing brackets.

What indentation is supported? expand_more

The tool supports 2-space and 4-space indentation standards, plus tab indentation. Choose your preferred format for code consistency.

Can I sort JSON keys? expand_more

While this [JSON Formatter](/tools/json-formatter/) focuses on syntax, sorting keys requires additional JavaScript or using other tools. The formatted output makes sorting easier if needed.

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Common Use Cases

Beautify: Add proper indentation and line breaks for readability.

Minify: Remove all whitespace to reduce file size.

Validate: Check for syntax errors and malformed JSON.

Copy: One-click copy to clipboard functionality.