JSON Formatter
Beautify and validate JSON code with ToolNova. Standardize messy data structures into readable, debug-ready formats.
Code Editor
JSON / JS Object
Intelligent Parsing
We handle "messy" JS objects with unquoted keys and single quotes, converting them to strict, double-quoted JSON.
Local-First Privacy
Formatting is executed entirely in your browser memory. Your proprietary data never touches our servers.
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About this tool
This JSON Formatter is a high-performance utility optimized for modern workflows. All processing happens locally in your browser for maximum security.
Common Questions
Is it secure?
Yes. 100% client-side processing.
Is it free?
Always. No limits, no subscriptions.