Input JSON
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Output JSON
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JSON Tree View
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Original Size
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Output Size
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Saved
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Compression
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Keys
Real-time Validation
Instantly validates your JSON as you type and highlights errors with detailed messages.
Format & Beautify
Beautify minified JSON with customizable indentation using spaces or tabs.
Minify & Compress
Remove all whitespace and create the smallest possible JSON output.
Fix Common Issues
Automatically fix trailing commas, single quotes, and unquoted keys.