💡Need to clean up JSON data? Our free online formatter instantly beautifies, validates, and minifies JSON—ideal for debugging APIs, analyzing configurations, and team collaboration. 🚀 Supports files up to 10MB.
🔍 Tool checks for syntax errors in the JSON
📊 Parses JSON into abstract syntax tree
🎨 Applies indentation and line breaks
📤 Produces beautified or minified output
Compliant with RFC 8259:
| Feature | Support | Notes |
|---|---|---|
| Data Types | All (String, Number, Boolean, Null, Array, Object) | ✅ Full |
| Nesting Depth | Unlimited | 🌳 Handles deep structures |
| Unicode | Yes | 🔤 Supports emojis, non-Latin chars |
| JSON5 | Partial | ⭐ Supports comments in non-strict mode |
Formatting speed comparison:
| File Size | Formatting Time |
|---|---|
| 1 KB | ⚡ <50ms |
| 1 00KB | ⚡ <300ms |
| 1 MB | ⏳ <1.5s |
| 1 0MB | ⏳ <8s |
Identifies common JSON issues:
| Error Type | Example | Fix |
|---|---|---|
| Trailing comma | {"a":1,} | Remove last comma |
| Unclosed quote | {"a:1} | Add closing quote |
| Invalid number | {"a":1.2.3} | Fix decimal format |
Format JSON in your terminal:
🔤Format JSON file
jq '.' input.json > formatted.jsonUsing jq for formatting
📉Minify JSON
jq -c '.' input.json > minified.jsonCompact output
🔌PowerShell format
ConvertTo-Json (Get-Content raw.json) -Depth 100 | Set-Content formatted.jsonNative PowerShell method
⌨️ CMD validate
python -m json.tool < input.jsonUsing Python's JSON module
// Before: {"data":{"user":123}}
// After: {
// "data": {
// "user": 123
// }
// }{"extends":"eslint:recommended","rules":{"semi":["error","always"]}}Use `Ctrl+Alt+L` (Windows) or `Cmd+Opt+L` (Mac) to format JSON in most IDEs
Minify JSON before sending via APIs to reduce bandwidth usage
Enable syntax highlighting in your editor for better JSON readability