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JSON (JavaScript Object Notation) is a lightweight data interchange format that is easy for humans to read and write and easy for machines to parse and generate. However, when JSON data is minified or compacted for transmission, it becomes difficult for developers to read and understand.
Whether you're a web developer debugging API responses, a data analyst examining JSON files, or someone who needs to validate JSON structure, our free JSON formatter makes the process simple and efficient while maintaining data integrity.
Paste your JSON code directly into the editor or upload a JSON file. Supports all valid JSON formats.
Click 'Format' to beautify your JSON with proper indentation or 'Minify' to compress it for production.
Download the formatted JSON file or copy it to your clipboard for use in your projects.
Beautify JSON with customizable indentation or compress it for production use.
Automatically validates JSON syntax and highlights errors with detailed messages.
Upload and download JSON files directly from the tool interface.
All processing happens in your browser - your JSON data never leaves your device.
View detailed statistics about your JSON including size, key count, and depth.
No limits on file size or number of formatting operations. Completely free forever.
Our JSON formatter serves various purposes across different development scenarios and data processing needs:
Always validate JSON before using it in production applications
Use proper indentation (2 or 4 spaces) for better readability
Minify JSON for production to reduce bandwidth usage
Check JSON statistics to understand data complexity
Use the copy feature to quickly transfer formatted JSON
Save frequently used JSON snippets for quick access
Format JSON Now
Yes, completely free with no hidden costs or limitations.
No, formatting only changes the appearance, not the data or structure.
Yes, all processing happens locally in your browser.
All valid JSON formats including arrays, objects, and mixed structures.
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