{ } JSON Formatter
Pretty-print, minify, and validate JSON with stats
🔒 Your image never leaves your device. All processing happens locally in your browser using JSON.parse + JSON.stringify. No upload, no server, no tracking.
Features
- Pretty Print — Format JSON with proper indentation and syntax highlighting for easy reading.
- Minify — Compress JSON by removing all whitespace — ideal for APIs and config files.
- Validate — Check if your JSON is valid and see clear error messages for syntax issues.
- Statistics — See key count, nesting depth, and data size at a glance.
How It Works
- Paste your JSON — Enter or paste JSON data in the input area.
- Format or minify — Click Format for pretty-print or Minify for compact output.
- Copy the result — Copy the formatted output to your clipboard.
Use Cases
- Pretty-print API responses for debugging
- Minify JSON config files for production
- Validate JSON before sending to APIs
Frequently Asked Questions
What indentation is used?
Pretty-print uses 2-space indentation, which is the most common standard for JSON formatting.
Can it handle large JSON files?
Yes. The browser's native JSON parser is very efficient. Files up to several MB are handled smoothly.
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