JSON Formatter & Validator | Smart Online Tool

JSON Formatter & Validator

Beautify, validate, minify JSON with syntax highlighting, error detection, tree view & advanced features. 100% client-side.

Validate as you type

Collapsible explorer

Save as .json file

Last formatted

Why JSON tools?

Clean, validate and debug JSON quickly. Perfect for developers and API testing.

Input JSON

Output / Formatted

Tree View

Search JSON

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