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JSON Tools
Format, minify, and validate JSON data.
Mode
Format / Beautify
Minify / Compress
Validate Only
Indent Size
2 spaces
4 spaces
1 space
⚪
Enter JSON to validate
Input
Load sample JSON
Clear
Format JSON
JSON Tips
✓
Keys must be double-quoted strings:
"name": "value"
✓
Use
null
for empty values, not
undefined
✗
No trailing commas allowed
✗
No comments allowed in JSON
✗
No single quotes - only double quotes